Stage 8 8900 Locking Header Bolt Kit for GM Small Block

Stage 8 8900 Locking Header Bolt Kit for GM Small Block

• CHEVROLET LS SERIES HEADER KIT (12-PIECE): Designed specifically for Chevy LS1, LS2, and LS6 engines, the Model 8900 kit includes (12) 8mm-1.25 x 25mm metric locking bolts featuring a precise 6-point (6pt) double hex head to securely fasten your exhaust headers.
• FAIL-SAFE MECHANICAL LOCKING: Manufactured by Stage 8, this patented active mechanical locking system provides a fail-safe solution that prevents fastener loosening even under extreme engine vibration when installed as directed.
• PREVENTS EXHAUST LEAKS: Say goodbye to blown header gaskets. Engineered to withstand severe thermal expansion cycles, the heavy-duty hardware will not stretch when hot, ensuring your header flanges stay tightly sealed.
• EASY INSTALLATION & FULLY REUSABLE: The precise 6-point (6pt) double hex head allows for practical wrenching and installation in tight engine bays. The entire locking mechanism is completely removable and perfectly reusable without losing any locking performance.
• INSTANT VISUAL INSPECTION: No need to constantly get under the hood with a wrench to check for tightness. The active locking mechanism allows for quick and easy visual inspections, delivering ultimate peace of mind for your custom build.