LSX Header Bolts for LS1 LQ4 LQ9 LS9 4.8 5.3 6.0 6.2L Grade 10.9 Silverado Tahoe (Iron)
- These bolts are made with hardened Grade 10.9 steel, and can withstand a minimum tensile strength of 150,000PSI..
- Flange Bolts are identified by the built-in washer under the head that acts to distribute the clamping load over a greater area..
- They are designed to provide the same holding power as if you were to use a washer..
- These bolts are superior to original or OEM product, and are made to withstand high strength and extreme conditions, generally found in Motorsports!.
- Fits: LS1, LS2, LS3, LS6, LS7, LS9, GM Vortec 4.8 5.3 6.0 6.2L with OEM Exhaust Manifolds & Aftermarket Headers..