Product Description
Michigan Motorsports Exhaust Manifold & Header Bolt 12pc Set
Fits All 1997–Newer GM LS & LT Gen 3/4/5 Car and Truck Engines
Upgrade your exhaust system hardware with Michigan Motorsports’ 12-piece Exhaust Manifold & Header Bolt Set. Designed for durability and a precise fit, these high-strength bolts are compatible with all GM LS and LT Gen 3, 4, and 5 car and truck engines. Whether you’re installing factory manifolds or aftermarket headers, this kit provides the reliability and clamping force you need for a lasting, leak-free seal.
Key Features
- Full GM compatibility: Works with all LS & LT Gen 3, 4, and 5 car and truck engines.
- High-strength hardware: Flanged Grade 10.9 bolts deliver secure clamping under high heat and vibration.
- Direct-fit sizing: M8 × 1.25 thread, 25 mm underhead length fits both factory exhaust manifolds and most aftermarket headers.
- Complete set: Includes 12 bolts—enough to service both cylinder heads.
- Proven performance: Built to withstand repeated heat cycles without loosening.
Specifications
- Bolt grade: 10.9
- Thread size: M8 × 1.25
- Underhead length: 25 mm
- Torque spec: 18 ft-lb for M8 exhaust bolts
