Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Mr. Gasket Headlock Locking Header Bolts - M8-1.25 x 25mm - Set of 12 - 2235GOverview: Headlock Bolts eliminate the need for lock washers, Period. That's because each Headlock Bolt features 24 equally spaced, stainless steel teeth serrations that bite into and hold onto the attaching surface eliminating the need for lock washers. Features: 12 per Package Includes Ball Head Socket Tool to Start Header Bolt Into Head 410 stainless steel Minimum 180,000 PSI tensile strength 24 equally spaced clockwise teeth Application: Year Make
Overview:
Headlock™ Bolts eliminate the need for lock washers, Period. That's because each Headlock™ Bolt features 24 equally-spaced, stainless steel teeth serrations that bite into and hold onto the attaching surface-eliminating the need for lock-washers.
Features:
- 12 per Package
- Includes Ball Head Socket Tool - to Start Header Bolt Into Head
- 410 stainless steel
- Minimum 180,000 PSI tensile strength
- 24 equally spaced clockwise teeth
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 2009 - 2012 | Chevrolet | Colorado | 325/5.3 V8 | |
| 2003 - 2009 | Chevrolet | Express 2500 | 294/4.8 V8 | |
| 2006 - 2009 | Chevrolet | Express 3500 | 294/4.8 V8 | |
| 2003 - 2013 | Chevrolet | Silverado 1500 | 364/6 V8 | |
| 1999 - 2013 | Chevrolet | Silverado 1500 | 325/5.3 V8 | |
| 1999 - 2009 | GMC | Sierra 1500 | 294/4.8 V8 | |
| 2009 - 2012 | GMC | Canyon | 325/5.3 V8 | |
| 2006 - 2014 | GMC | Savana 3500 | 364/6 V8 | |
| 2003 - 2014 | GMC | Savana 2500 | 364/6 V8 | |
| 2003 - 2014 | Chevrolet | Express 2500 | 364/6 V8 | |
| 2006 - 2014 | Chevrolet | Express 3500 | 364/6 V8 | |
| 2001 - 2014 | GMC | Sierra 2500 HD | 364/6 V8 | |
| 1999 - 2013 | GMC | Sierra 1500 | 325/5.3 V8 | |
| 2001 - 2014 | Chevrolet | Silverado 2500 HD | 364/6 V8 | |
| 2007 - 2014 | GMC | Sierra 3500 HD | 364/6 V8 | |
| 2007 - 2014 | Chevrolet | Silverado 3500 HD | 364/6 V8 | |
| 2001 - 2013 | GMC | Sierra 1500 | 364/6 V8 | |
| 2009 - 2014 | GMC | Savana 4500 | 364/6 V8 | |
| 2003 - 2005 | Chevrolet | Express 2500 | 325/5.3 V8 | |
| 1997 - 2002 | Chevrolet | Express 1500 | 350/5.7 V8 | |
| 1997 - 2002 | Chevrolet | Express 1500 | 305/5 V8 | |
| 1997 - 2002 | Chevrolet | Express 2500 | 305/5 V8 | |
| 1997 - 2002 | Chevrolet | Express 2500 | 350/5.7 V8 | |
| 1997 - 2002 | Chevrolet | Express 3500 | 350/5.7 V8 | |
| 1997 - 1998 | Chevrolet | K1500 | 305/5 V8 | |
| 1997 - 1998 | Chevrolet | K1500 | 350/5.7 V8 | |
| 1999 | Chevrolet | K1500 | ||
| 1997 - 2000 | Chevrolet | K2500 | 350/5.7 V8 | |
| 1997 - 1998 | Chevrolet | K2500 | 305/5 V8 | |
| 1997 - 2000 | Chevrolet | K3500 | 350/5.7 V8 | |
| 1999 - 2009 | Chevrolet | Silverado 1500 | 294/4.8 V8 | |
| 2001 - 2006 | Chevrolet | Silverado 1500 HD | ||
| 1999 - 2004 | Chevrolet | Silverado 2500 | ||
| 2001 - 2006 | Chevrolet | Silverado 3500 | 364/6 V8 | |
| 1997 - 1998 | GMC | C1500 | 350/5.7 V8 | |
| 1997 - 1998 | GMC | C1500 | 305/5 V8 | |
| 1999 | GMC | C1500 | ||
| 1997 - 1998 | Chevrolet | C1500 | 350/5.7 V8 | |
| 1997 - 1998 | Chevrolet | C1500 | 305/5 V8 | |
| 1999 | Chevrolet | C1500 | ||
| 1997 - 1999 | Chevrolet | C2500 | 305/5 V8 | |
| 1997 - 2000 | Chevrolet | C2500 | 350/5.7 V8 | |
| 2007 | Chevrolet | Silverado 1500 Classic | 294/4.8 V8 | |
| 2009 - 2014 | Chevrolet | Express 4500 | 364/6 V8 | |
| 2007 | GMC | Sierra 1500 Classic | 294/4.8 V8 | |
| 2007 | GMC | Sierra 1500 Classic | 325/5.3 V8 | |
| 2007 | GMC | Sierra 2500 HD Classic | 364/6 V8 | |
| 2007 | GMC | Sierra 3500 Classic | 364/6 V8 | |
| 2007 | Chevrolet | Silverado 1500 Classic | 364/6 V8 | |
| 2007 | Chevrolet | Silverado 1500 Classic | 325/5.3 V8 | |
| 2007 | Chevrolet | Silverado 2500 HD Classic | 364/6 V8 | |
| 2007 | Chevrolet | Silverado 3500 Classic | 364/6 V8 | |
| 2007 | GMC | Sierra 1500 Classic | 364/6 V8 | |
| 2007 | Chevrolet | Silverado 1500 HD Classic | ||
| 2007 | GMC | Sierra 1500 HD Classic | ||
| 1997 - 2000 | Chevrolet | C3500 | 350/5.7 V8 | |
| 2003 - 2007 | Chevrolet | Express 1500 | 325/5.3 V8 | |
| 2003 - 2005 | Chevrolet | Express 3500 | ||
| 1997 - 2002 | GMC | Savana 1500 | 305/5 V8 | |
| 1997 - 2002 | GMC | Savana 2500 | 350/5.7 V8 | |
| 1997 - 2002 | GMC | Savana 2500 | 305/5 V8 | |
| 1997 - 2002 | GMC | Savana 3500 | 350/5.7 V8 | |
| 1999 | GMC | K1500 | ||
| 1997 - 1998 | GMC | K1500 | 350/5.7 V8 | |
| 1997 - 1998 | GMC | K1500 | 305/5 V8 | |
| 1998 | GMC | K2500 | 305/5 V8 | |
| 1997 - 2000 | GMC | K2500 | 350/5.7 V8 | |
| 1997 - 2000 | GMC | K3500 | 350/5.7 V8 | |
| 1997 - 2002 | GMC | Savana 1500 | 350/5.7 V8 | |
| 2003 - 2007 | GMC | Savana 1500 | 325/5.3 V8 | |
| 2003 - 2009 | GMC | Savana 2500 | 294/4.8 V8 | |
| 2003 - 2005 | GMC | Savana 2500 | 325/5.3 V8 | |
| 2003 - 2005 | GMC | Savana 3500 | ||
| 2001 - 2006 | GMC | Sierra 1500 HD | ||
| 1999 - 2004 | GMC | Sierra 2500 | ||
| 2001 - 2006 | GMC | Sierra 3500 | 364/6 V8 | |
| 2005 - 2008 | Hummer | H2 | ||
| 2007 - 2008 | GMC | Sierra 1500 | 376/6.2 V8 | |
| 2006 - 2009 | GMC | Savana 3500 | 294/4.8 V8 | |
| 2008 - 2009 | Pontiac | G8 | 364/6 V8 | |
| 2009 - 2010 | Hummer | H3T | 325/5.3 V8 | |
| 1997 - 2000 | GMC | C2500 | 350/5.7 V8 | |
| 1997 - 1998 | GMC | C2500 | 305/5 V8 | |
| 1997 - 2000 | GMC | C3500 | 350/5.7 V8 |
Specs:
| Brand | Mr. Gasket |
|---|---|
| Emission Code | 5 |
| Finish | Polished |
| Material | 410 stainless steel |
| Product Type | HeadLock Locking Header Bolts |
| Warning | California Proposition 65 |
| Warranty | Limited 90 Day |
| Weight | 5 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 1741 reviews
Sort
Product Reviews
★★★★★ 4
Amazing socks but false advertising. They changed them.
Size: Large, Color: Black (6-pairs)
Okay well I have 4 stars because these are the best socks ever, infact, I threw out all my other socks and switched to just these. No show and they never slip. THE PROBLEM NOW, all the pairs I ordered before had a white symbol, and every time I buy more they have the grey and they are not as low show as my others… I wanted to simplify life and have all the same kind, no matching of colors or slightly different shape, but 4 times now I’ve ordered white symbol and gotten thicker longer ones with gray symbols. I’m considering switching all of my socks to the gray…. But the white symbol ones are way better, they don’t show with hey dudes on and gray symbol ones do now. I’m at a loss. Can someone tell me where to buy 100 pairs of white symbol so I never need to buy another sock again in my life?
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 24, 2025
★★★★★ 5
My favorite
Size: Medium, Color: Opal Blue/White/Cruise Blue (3-pairs)
My favorite socks, too bad under armour discontinued the cotton blend fabric and went to 100% polyester 😠
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
★★★★★ 5
Comfortable
Size: 6-10, Color: Halo Gray/Assorted
These are my favorite socks!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 22, 2025
★★★★★ 5
Great fit
Size: Medium, Color: White
Perfect fit and they don't slide off the back of your ankle.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
★★★★★ 5
Best socks!
Size: Medium, Color: Blue
I love these socks! They last for years and they fit so nicely on my feet. I love that I can wear the in tennis shoes or wool boots and they never move!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 21, 2025