Michigan Motorsports LS/LT Exhaust Manifold/Header Bolt Kit | 12pc Flanged Grade 10.9 Bolts | M8x1.25, 25mm Length | Fits 1997-2021 LS1 LT1 4.8L 5.3L 5.7L 6.0L 6.2L 7.0L

Michigan Motorsports LS/LT Exhaust Manifold/Header Bolt Kit | 12pc Flanged Grade 10.9 Bolts | M8x1.25, 25mm Length | Fits 1997-2021 LS1 LT1 4.8L 5.3L 5.7L 6.0L 6.2L 7.0L

• High-Strength Grade 10.9 Construction – Made to withstand engine bay heat and torque stress, ensuring long-term reliability.
• Universal LS/LT Fitment – Compatible with all GM Gen 3, 4, and 5 LS/LT V8 engines between 1997 and 2021—including popular 4.8L to 7.0L platforms.
• Ideal Thread and Length Specs – M8×1.25 threading and 25 mm under-head length provide proper fit for both factory and aftermarket exhaust manifolds.
• Complete 12‑Piece Kit – Includes a sufficient number of bolts to secure both sides of your engine’s exhaust, simplifying installation or repair.
• Recommended Torque Settings – Designed for precision installation; torque to 18 ft‑lb to match factory specifications and ensure a secure fit.