Product Description
Michigan Motorsports LS Multi-Layer Steel Exhaust Manifold/Header Gasket Pair with 12 Bolt Set
Fits 1997–2013 GM Gen 3/4 LS V8 Engines – LS1, LS2, LS3, LS6, LQ4, LQ9, LM7 – 4.8L, 5.3L, 5.7L, 6.0L, 6.2L
Seal your LS exhaust right the first time with Michigan Motorsports’ MLS (Multi-Layer Steel) header/manifold gaskets and high-strength hardware. This kit includes two OEM-style MLS gaskets and a complete set of 12 flanged Grade 10.9 bolts—everything you need to service both cylinder heads for factory manifolds or aftermarket headers.
Key Features
- MLS gasket construction: Multi-layer steel design for excellent sealing under heat and boost—modeled after GM 12617944.
- High-strength hardware: Flanged Grade 10.9 bolts provide reliable clamp load and heat resistance.
- Direct-fit sizing: M8 × 1.25 thread, 25 mm underhead length for factory manifolds and most aftermarket headers.
- Complete kit: Two gaskets + twelve bolts—enough for both cylinder heads.
Kit Includes
- (2) Multi-Layer Steel exhaust manifold/header gaskets
- (12) Flanged Grade 10.9 M8 × 1.25 × 25 mm bolts
Fitment
- 1997–2013 GM Gen 3/4 LS-based V8 engines
- Common applications: LS1, LS2, LS3, LS6, LQ4, LQ9, LM7
- Displacements: 4.8L, 5.3L, 5.7L, 6.0L, 6.2L
Specifications & Notes
- Gasket style: MLS (similar to GM 12617944)
- Bolt spec: M8 × 1.25 thread, 25 mm underhead length, Grade 10.9, flanged
- Torque spec: 18 ft-lb for M8 exhaust bolts
Product Videos
Videos Hide Videos Show Videos
Custom Field
Product Reviews
3 Reviews Hide Reviews Show Reviews
-
Exhaust gaskets
Great product. Highly Recommend.
-
Good Gaskets with bolts
Just like OEM GASKETS! Delivered to your door, good quality!
-
Best item
AAAAAA++++++
