CTM 4PC 1.5" THICK 8x6.5" to 8x6.5" WHEEL SPACER ADAPTER 9/16 STUD FIT CHEVY MODEL
CTM 4PC 1.5" THICK 8x6.5" to 8x6.5" WHEEL SPACER ADAPTER 9/16 STUD FIT CHEVY MODEL
Product Specification:
About the Adapter
Adapter Thickness: 1.5”
Adapter Bolt Pattern Fit to Hub: 8x6.5"(165.1mm)
Adapter Bolt Pattern Fit to Wheel: 8x6.5"(165.1mm)
Adapter Center Bore: 126mm
Adapter Hub Ring: No
Adapter Overall Diameter: 215mm
Adapter Stud Thread Pitch: 9/16-18
Adapter Stud Grade: 12.9
Adapter Color: Chrome or Black Depending on Current Batch
Adapter Material: Cold Forged 6061 T6 Grade Aluminum
Quantity: 4 Pcs
Requirements of the Vehicle Specification
Required Vehicle Hub Bolt Pattern: 8x6.5"(165.1mm)
Required Vehicle Hub Center Bore: 125mm or smaller
Required Vehicle Hub Stud Thread: 9/16-18 & M14x1.5
Min Required Vehicle Fender Gap: 1.5”
Max Vehicle Hub Stud Length: 1.5”
*If your stud is longer than 1.5” you will need to trim it to use the adapter.
Requirements of the Wheel Specification
Required Vehicle Wheel Bolt Pattern: 8x6.5"(165.1mm)
Required Vehicle Wheel Center Bore: 125mm or smaller
Required Vehicle Wheel Lug Thread: 9/16-18
Required Vehicle Wheel Lug Nuts Hex: Based on your Wheel
What You Will Receive:
4 pcs Wheel Adapters
32 pcs Open Lugs fit to your Hub
Compatibility Chart and Important Part Note:
Please Carefully Check for Generation information
Make | Model | Type | Year Made | Generation | Hub Stud | Required Wheel Lug |
Chevrolet | Avalanche 2500 | SUV/Truck/Van | 2002-2006 | M14x1.5 | 9/16-18 | |
Chevrolet | C2500 | SUV/Truck/Van | 1988-2000 | M14x1.5 | 9/16-18 | |
Chevrolet | C2500 Suburban | SUV/Truck/Van | 1992-1999 | M14x1.5 | 9/16-18 | |
Chevrolet | C3500 | SUV/Truck/Van | 1988-2004 | M14x1.5 | 9/16-18 | |
Chevrolet | Express 2500 | SUV/Truck/Van | 2003-2021 | M14x1.5 | 9/16-18 | |
Chevrolet | Express 3500 | SUV/Truck/Van | 1996-2021 | M14x1.5 | 9/16-18 | |
Chevrolet | K2500 | SUV/Truck/Van | 1988-2000 | M14x1.5 | 9/16-18 | |
Chevrolet | K2500 Suburban | SUV/Truck/Van | 1992-1999 | M14x1.5 | 9/16-18 | |
Chevrolet | K3500 | SUV/Truck/Van | 1988-2000 | M14x1.5 | 9/16-18 | |
Chevrolet | Silverado 1500 HD | SUV/Truck/Van | 2001-2006 | M14x1.5 | 9/16-18 | |
Chevrolet | Silverado 1500 HD Classic | SUV/Truck/Van | 2007 | M14x1.5 | 9/16-18 | |
Chevrolet | Silverado 2500 | SUV/Truck/Van | 1999-2010 | I(GMT800)/II(GMT900) | M14x1.5 | 9/16-18 |
Chevrolet | Silverado 2500 HD | SUV/Truck/Van | 2001-2010 | I(GMT800)/II(GMT900) | M14x1.5 | 9/16-18 |
Chevrolet | Silverado 2500 HD Classic | SUV/Truck/Van | 2007 | M14x1.5 | 9/16-18 | |
Chevrolet | Silverado 3500 | SUV/Truck/Van | 2001-2010 | I(GMT800)/II(GMT900) | M14x1.5 | 9/16-18 |
Chevrolet | Silverado 3500 Classic | SUV/Truck/Van | 2007 | M14x1.5 | 9/16-18 | |
Chevrolet | Silverado 3500 HD | SUV/Truck/Van | 2007-2010 | I(GMT800)/II(GMT900) | M14x1.5 | 9/16-18 |
Chevrolet | Suburban 2500 | SUV/Truck/Van | 2000-2013 | VIII/IX | M14x1.5 | 9/16-18 |
Notes:
- Buyer must check compatibility chart before buying, any vehicle that is not displayed in the capability may NOT fit.
- Buyer must check part notes regarding generations, wheel type, etc.
- For Adapter thickness limitation, buyer must measure Fender Gap before buying.
- Parts must meet all the requirements listed in the description in order to ensure fitment and safety.
- If you are not sure, you can always contact customer service for help.
Return & Exchange Policy:
Your happiness with the product is our top concern. We allow returns based on the following rules:
- Return & Exchange is allowed within 30-day of Purchase Date
- Return Product must be unused, intact, and with the original package
- Buyer is responsible for return shipping charge
- Buyer is responsible for all exchange shipping charge
- Please allow 3 business day after the delivery of your return for us to process the refund.
- 15% RMA Restocking Fee is applied to all Adapter/Spacer/Spike orders.
- Please use a specific return shipping address (not the ship-from address) to avoid the 30% Processing Fee.
- If you have any questions or concerns, please do not hesitate to let us know.
Shipping:
- All shipments will be shipped via Fedex 2 Days (Same-Day), If your address is not qualified for FedEx Service, it will be shipped via USPS Priority Mail (2-5 Days).
- Order placed before 9:00 am PST will be shipped on the same day. Order placed after 9:00am will be shipped promptly the next business day.
- If you wish to cancel or modify order, please notify Customer Service before 9:00 am PST or we won't be able to change/cancel your order prior to shipping.
- We also provide local pickup service! Contact us for more information.
Warranty:
- 30-Day Return Policy;
- For Colored Lug Nuts (Any color other than Chrome), we suggest the use of manual torque for installation to avoid damage to the paint layer.
- Warranty is voided if power tool is used
- Abuse of Usage (Excessive power torque) will not be covered by Warranty
Frequent Asked Questions:
Q: When will my order shipped?
A: Order made by 9:00 am Pacific Time will be shipped same day, except Holidays, Weekends. Order made after 9:00 am Pacific Time will be shipped on next Business Day.
Q: The shipping status indicates my package was sent, but there is no movement or scan.
A: Order sent during peak hour or season may subject to delayed by shipping company in rare case, some package will be delivered without having tracking information due to the shipping company system glitch. If we did not send out something due to any reason, we will contact you in the same day.
Q: My package was returned to sender
A: Shipping company will return packages if the address is wrong, missing apartment number, vacant, or security issues of your drop off location. Please double check your address before buying, once the package is returned, there will be additional shipping charge.
Q: Shipping company holds my package and requests for additional postage
A: All the package postage was paid off upon our agreement with Shipping company, if there is possibility that you get the notice of additional postage, please DO NOT make payment and refuse the package. Contact customer service for help. We will NOT be responsible to additional postage paid on customer side.
Q: Can I request to change my address?
A: Please send customer service message as soon as possible if you need to change address, once the package was sent, we won't be able to change address.
Q: I did not receive my order, but the tracking information says delivered.
A: For delivered status package, please contact your local shipping company agency for information. You can also make claim directly to them.
Q: It won't fit my vehicle but the description includes my model
A: Compatibility chart is only used to check stud thread corresponded to wheel lugs. There are many other factors on your wheel will determine the fitment such as HEX, SEAT TYPE that is determined by rim that is NOT included in the compatibility chart. Some models within the same year may have different configurations. Please check GENERATION as well. For vintage model, your stud may have been changed due to the age of the car. Please check carefully.
Q: My car is not listed in the compatibility chart, but the requirement matches, can I use this sets?
A: As long as you check all the requirements match, you are good to use it.
Q: What does Fender Gap mean?
A: Fender Gap is the maximum Thickness of Adapter you can use, if you go beyond fender gap, your wheel will run the fender to cause problems. Please refer to the guide to measure fender gap before buying.
Q: How do I choose correct thickness?
A: Please refer to the Fender Gap Limitation to select from the safe range.
Q: I need more help or support, discount, bulk deal
A: Contact customer service for help at any time.
Disclaimer:
- Professional Installation is recommended.
- Please use proper power tools and/or manual installation based on the vehicle's recommended torque spec (found on vehicle's operator manual)
- Our liability is limited to the purchase price of the listed product.
- By purchasing this product, you acknowledge that you fully understand the information and terms listed above.
Brand: | CTM |
---|---|
Isin: | IRSGHPRQ9S71 |

IBspot Buyer Protection
Shop confidently on IBspot, receive your item as described or your money back for eligible orders. Learn Program Terms

GUARANTEED SAFE CHECKOUT
-
MONEY BACK GUARANTEE
30 days money back guarantee, no additional fee charged.
-
EXCELLENT SUPPORT
We provide 24/7 online customer support via email.
-
Fast Shipping
One week domestic shipping. Global delivery to the US in 2 weeks.
Product Specification:
About the Adapter
Adapter Thickness: 1.5”
Adapter Bolt Pattern Fit to Hub: 8x6.5"(165.1mm)
Adapter Bolt Pattern Fit to Wheel: 8x6.5"(165.1mm)
Adapter Center Bore: 126mm
Adapter Hub Ring: No
Adapter Overall Diameter: 215mm
Adapter Stud Thread Pitch: 9/16-18
Adapter Stud Grade: 12.9
Adapter Color: Chrome or Black Depending on Current Batch
Adapter Material: Cold Forged 6061 T6 Grade Aluminum
Quantity: 4 Pcs
Requirements of the Vehicle Specification
Required Vehicle Hub Bolt Pattern: 8x6.5"(165.1mm)
Required Vehicle Hub Center Bore: 125mm or smaller
Required Vehicle Hub Stud Thread: 9/16-18 & M14x1.5
Min Required Vehicle Fender Gap: 1.5”
Max Vehicle Hub Stud Length: 1.5”
*If your stud is longer than 1.5” you will need to trim it to use the adapter.
Requirements of the Wheel Specification
Required Vehicle Wheel Bolt Pattern: 8x6.5"(165.1mm)
Required Vehicle Wheel Center Bore: 125mm or smaller
Required Vehicle Wheel Lug Thread: 9/16-18
Required Vehicle Wheel Lug Nuts Hex: Based on your Wheel
What You Will Receive:
4 pcs Wheel Adapters
32 pcs Open Lugs fit to your Hub
Compatibility Chart and Important Part Note:
Please Carefully Check for Generation information
Make | Model | Type | Year Made | Generation | Hub Stud | Required Wheel Lug |
Chevrolet | Avalanche 2500 | SUV/Truck/Van | 2002-2006 | M14x1.5 | 9/16-18 | |
Chevrolet | C2500 | SUV/Truck/Van | 1988-2000 | M14x1.5 | 9/16-18 | |
Chevrolet | C2500 Suburban | SUV/Truck/Van | 1992-1999 | M14x1.5 | 9/16-18 | |
Chevrolet | C3500 | SUV/Truck/Van | 1988-2004 | M14x1.5 | 9/16-18 | |
Chevrolet | Express 2500 | SUV/Truck/Van | 2003-2021 | M14x1.5 | 9/16-18 | |
Chevrolet | Express 3500 | SUV/Truck/Van | 1996-2021 | M14x1.5 | 9/16-18 | |
Chevrolet | K2500 | SUV/Truck/Van | 1988-2000 | M14x1.5 | 9/16-18 | |
Chevrolet | K2500 Suburban | SUV/Truck/Van | 1992-1999 | M14x1.5 | 9/16-18 | |
Chevrolet | K3500 | SUV/Truck/Van | 1988-2000 | M14x1.5 | 9/16-18 | |
Chevrolet | Silverado 1500 HD | SUV/Truck/Van | 2001-2006 | M14x1.5 | 9/16-18 | |
Chevrolet | Silverado 1500 HD Classic | SUV/Truck/Van | 2007 | M14x1.5 | 9/16-18 | |
Chevrolet | Silverado 2500 | SUV/Truck/Van | 1999-2010 | I(GMT800)/II(GMT900) | M14x1.5 | 9/16-18 |
Chevrolet | Silverado 2500 HD | SUV/Truck/Van | 2001-2010 | I(GMT800)/II(GMT900) | M14x1.5 | 9/16-18 |
Chevrolet | Silverado 2500 HD Classic | SUV/Truck/Van | 2007 | M14x1.5 | 9/16-18 | |
Chevrolet | Silverado 3500 | SUV/Truck/Van | 2001-2010 | I(GMT800)/II(GMT900) | M14x1.5 | 9/16-18 |
Chevrolet | Silverado 3500 Classic | SUV/Truck/Van | 2007 | M14x1.5 | 9/16-18 | |
Chevrolet | Silverado 3500 HD | SUV/Truck/Van | 2007-2010 | I(GMT800)/II(GMT900) | M14x1.5 | 9/16-18 |
Chevrolet | Suburban 2500 | SUV/Truck/Van | 2000-2013 | VIII/IX | M14x1.5 | 9/16-18 |
Notes:
- Buyer must check compatibility chart before buying, any vehicle that is not displayed in the capability may NOT fit.
- Buyer must check part notes regarding generations, wheel type, etc.
- For Adapter thickness limitation, buyer must measure Fender Gap before buying.
- Parts must meet all the requirements listed in the description in order to ensure fitment and safety.
- If you are not sure, you can always contact customer service for help.
Return & Exchange Policy:
Your happiness with the product is our top concern. We allow returns based on the following rules:
- Return & Exchange is allowed within 30-day of Purchase Date
- Return Product must be unused, intact, and with the original package
- Buyer is responsible for return shipping charge
- Buyer is responsible for all exchange shipping charge
- Please allow 3 business day after the delivery of your return for us to process the refund.
- 15% RMA Restocking Fee is applied to all Adapter/Spacer/Spike orders.
- Please use a specific return shipping address (not the ship-from address) to avoid the 30% Processing Fee.
- If you have any questions or concerns, please do not hesitate to let us know.
Shipping:
- All shipments will be shipped via Fedex 2 Days (Same-Day), If your address is not qualified for FedEx Service, it will be shipped via USPS Priority Mail (2-5 Days).
- Order placed before 9:00 am PST will be shipped on the same day. Order placed after 9:00am will be shipped promptly the next business day.
- If you wish to cancel or modify order, please notify Customer Service before 9:00 am PST or we won't be able to change/cancel your order prior to shipping.
- We also provide local pickup service! Contact us for more information.
Warranty:
- 30-Day Return Policy;
- For Colored Lug Nuts (Any color other than Chrome), we suggest the use of manual torque for installation to avoid damage to the paint layer.
- Warranty is voided if power tool is used
- Abuse of Usage (Excessive power torque) will not be covered by Warranty
Frequent Asked Questions:
Q: When will my order shipped?
A: Order made by 9:00 am Pacific Time will be shipped same day, except Holidays, Weekends. Order made after 9:00 am Pacific Time will be shipped on next Business Day.
Q: The shipping status indicates my package was sent, but there is no movement or scan.
A: Order sent during peak hour or season may subject to delayed by shipping company in rare case, some package will be delivered without having tracking information due to the shipping company system glitch. If we did not send out something due to any reason, we will contact you in the same day.
Q: My package was returned to sender
A: Shipping company will return packages if the address is wrong, missing apartment number, vacant, or security issues of your drop off location. Please double check your address before buying, once the package is returned, there will be additional shipping charge.
Q: Shipping company holds my package and requests for additional postage
A: All the package postage was paid off upon our agreement with Shipping company, if there is possibility that you get the notice of additional postage, please DO NOT make payment and refuse the package. Contact customer service for help. We will NOT be responsible to additional postage paid on customer side.
Q: Can I request to change my address?
A: Please send customer service message as soon as possible if you need to change address, once the package was sent, we won't be able to change address.
Q: I did not receive my order, but the tracking information says delivered.
A: For delivered status package, please contact your local shipping company agency for information. You can also make claim directly to them.
Q: It won't fit my vehicle but the description includes my model
A: Compatibility chart is only used to check stud thread corresponded to wheel lugs. There are many other factors on your wheel will determine the fitment such as HEX, SEAT TYPE that is determined by rim that is NOT included in the compatibility chart. Some models within the same year may have different configurations. Please check GENERATION as well. For vintage model, your stud may have been changed due to the age of the car. Please check carefully.
Q: My car is not listed in the compatibility chart, but the requirement matches, can I use this sets?
A: As long as you check all the requirements match, you are good to use it.
Q: What does Fender Gap mean?
A: Fender Gap is the maximum Thickness of Adapter you can use, if you go beyond fender gap, your wheel will run the fender to cause problems. Please refer to the guide to measure fender gap before buying.
Q: How do I choose correct thickness?
A: Please refer to the Fender Gap Limitation to select from the safe range.
Q: I need more help or support, discount, bulk deal
A: Contact customer service for help at any time.
Disclaimer:
- Professional Installation is recommended.
- Please use proper power tools and/or manual installation based on the vehicle's recommended torque spec (found on vehicle's operator manual)
- Our liability is limited to the purchase price of the listed product.
- By purchasing this product, you acknowledge that you fully understand the information and terms listed above.
- Adapter Stud Thread (Fit to Wheel Lug): 9/16-18
- Adapter Open Lug Nut Thread (Fit to Hub): M14x1.5 & 9/16-18
- Adapter Stud Grade: 12.9
- Adapter Material Made: Cold Forged 6061 T6 Grade Aluminum
- Manufacturer Part Number: Does Not Apply
- Placement on Vehicle: Left, Right, Front, Rear
- Brand: CTM
- Adapter Bolt Pattern to Hub: 8x6.5"(165.1mm)
- Adapter Bolt Pattern to Wheel: 8x6.5"(165.1mm)
- Adapter Thickness: 1.5"
- Adapter Center Bore: 125mm
- Adapter Outside Diameter: 215mm
Processing Time
- We process and ship orders Monday through Friday, excluding holidays.
- Most orders are processed within 1–3 business days, depending on product availability.
- Processing time does not include delivery time, which varies based on your location and the product’s shipping origin.
Shipping Coverage
We currently ship to addresses within the United States only.
Products may ship from:
- Our U.S. warehouses, or
- Our international fulfillment centers (including Korea, Japan, China, Australia, Mexico, Canada, the United Kingdom, and the EU).
Each product page clearly displays the “Ships From” location before checkout.
Shipping Methods & Estimated Delivery
Shipping Method | Estimated Delivery | Cost |
---|---|---|
Free Shipping (US) | 5–10 business days | Free, available on eligible items |
Standard Shipping (US to US by Item) | 5–10 business days | $6.50 for the first item, $3.00 each additional |
Standard Shipping (From US Warehouse by Weight) | 3–7 business days | Starts at $6.50, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb. |
Extended Delivery (Ships from Overseas Warehouse) | 10–15 business days | $14.50 for the first item, $4.00 each additional |
Shipping costs vary by product weight, quantity and origin. Exact rates and delivery estimates are displayed on each product page and confirmed during checkout.
Free Shipping
We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout.
Carriers
We primarily use USPS and UPS for U.S. deliveries. Items shipped from international warehouses may be handled by partner carriers depending on the country of origin.
Import Duties & Taxes
All import duties and taxes for goods imported into the United States are included in the product price. There are no hidden fees or additional charges at checkout.
Tracking & Notifications
Every order is fully trackable. You will receive a tracking number via email once your order ships. If your order ships in multiple packages, each package will have its own tracking number. If you don’t receive a shipping confirmation immediately, your order is still being processed and will arrive within the estimated timeframe shown at checkout.
You can track your shipment anytime using the Track Your Order page on our website.
Order Changes & Cancellations
If you need to modify or cancel an order, please contact our customer support team as soon as possible. Orders can only be canceled before they ship. Once shipped, cancellations are not possible, but you may request a return after the item is delivered.
Contact: support@ibspot.com
Item Not Received
If your tracking number shows “Delivered” but you haven’t received your package:
- Check with your local USPS or UPS office.
- Confirm that the shipping address provided was correct.
- If the issue remains unresolved, contact support@ibspot.com for assistance.
Damaged or Lost Parcels
If your package arrives damaged or fails to arrive, please contact us immediately. For deliveries to P.O. boxes, ibspot is not responsible for damage caused by weather, temperature, or theft.
Customer Support
For any questions about shipping, tracking, or delivery, our customer support team is here to help.
Email: support@ibspot.com
We’re always happy to help.
Please read our policy carefully before making a purchase.
We aim to ensure every customer has a smooth and transparent experience with ibspot.com.
Order Cancellation Policy
Customers may request to cancel an order before it has been shipped.
Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.
How to Request a Cancellation
You can contact us through:
-
Email: support@ibspot.com
-
Contact Form: Submit a request through our Contact Us page
Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.
Return Policy
We accept returns for most items within 30 days of delivery for a full refund.
To be eligible for a return:
-
The item must be unused, in the same condition as received, and in its original packaging.
-
A tracking number must be provided to confirm the return shipment.
Non-Returnable Items
Certain products cannot be returned, including:
-
Perishable goods (for example, food, flowers, newspapers, magazines)
-
Intimate or sanitary goods
-
Hazardous materials or flammable liquids/gases
-
Gift cards
-
Downloadable software
-
Some health and personal care items
Partial Refunds (If Applicable)
Partial refunds may be granted in specific situations, such as:
-
Books with obvious signs of use
-
Opened CDs, DVDs, software, or vinyl records
-
Items not in their original condition, damaged, or missing parts not due to our error
-
Items returned more than 30 days after delivery
How to Return an Item
To initiate a return, please contact us at support@ibspot.com with your order number and details about the product you wish to return.
Our team will provide you with return instructions and a prepaid return label.
Shipping Cost for Returns
Please contact us before returning any item.
We will provide a free return shipping label.
If a return is sent back without prior contact or without our provided label, we cannot be held responsible for return shipping costs.
For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee that we will receive your returned item if shipped independently.
Refund Processing
Once your return is received and inspected:
-
In-store returns are refunded to the original form of payment or issued as a gift card.
-
Mail-in returns using our prepaid label are refunded to the original payment method within 3–5 business days after we receive your return.
Please allow:
-
5–7 business days for the return to reach our Returns Center.
-
An additional 3–10 business days for your bank to post the refund to your account.
Damages, Issues & Claims
Please inspect your order immediately upon receipt.
If you receive a defective, damaged, or incorrect item, contact us right away at support@ibspot.com.
We’ll evaluate the issue promptly and make it right.
Product Claims
Before purchasing, please review product details carefully.
If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.
Exchanges
We do not process direct exchanges.
The fastest way to get what you need is to return the original item and place a new order once your return is accepted.
Return Address
IBSPOT Return Center
15 Sawmill Ln
Dover Plains, NY 12522
United States
Customer Support
Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.
Email: support@ibspot.com
Contact Form: Contact Us page
Oops!
Sorry, it looks like some products are not available in selected quantity.