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
4.5 ★★★★★
Based on 2039 reviews
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Product Reviews
★★★★★ 4
Good wire.
Size: 14 gauge silicone wire 10ft and 10ft, Color: silicone wire red and black
Flexible. I need this type of wire for the high current. It's good.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2025
★★★★★ 5
Tinned 14 AWG.
Size: 14 gauge silicone wire 10ft and 10ft, Color: silicone wire red and black
Tinned will not corrode as fast. Flexible and worked great for my purpose.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 20, 2026
★★★★★ 5
OMG so much better than alternative products
Size: 14 gauge silicone wire 10ft and 10ft, Color: silicone wire red and black
went to my local box store and bought both multistrand and single strand to rewire a pedal. huge issues with flexibility. bought this product and ..what a pleasure. high quality, very very flexible and well packaged.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 4, 2024
★★★★★ 5
Good fit for Mercury 150 2 stroke!
This kit fit my Mercury 150 2 stroke great. Had all the parts needed to rebuild the water pump. Works well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 28, 2025
★★★★★ 5
Fits perfect
Perfect fit for my mercury xr2 blackmax 150
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
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