3.8L MLS Head Gasket Set with Bolts For 1997-05 Chevrolet Impala Pontiac Buick
3.8L MLS Head Gasket Set with Bolts For 1997-05 Chevrolet Impala Pontiac Buick
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Head Gasket Set for Chevrolet, Pontiac, Buick
This 3.8L MLS head gasket set with bolts provides a multi-layer steel seal for 1997–2005 GM 3800 Series V6 engines, cross-referencing OEM head gasket part numbers.
Overview
The 3.8L MLS head gasket set is a complete engine sealing kit for GM 3800 Series V6 engines found in Chevrolet Impala, Pontiac Grand Prix, and Buick LeSabre models from 1997 to 2005. It includes multi-layer steel head gaskets and new head bolts to deliver a reliable cylinder head seal during engine overhaul. Designed for direct replacement, this head gasket set restores leak-free combustion chamber integrity in high-mileage applications.
Built For Performance
- Multi-layer steel construction handles high cylinder pressures and thermal cycling
- Includes new torque-to-yield head bolts for proper clamp load
- Premium Viton-coated stainless steel layers resist coolant and oil corrosion
- Laser-cut combustion chamber openings ensure precise bore alignment
- High-temperature silicone sealing beads prevent fluid leaks at mating surfaces
- Complete set covers both cylinder banks for a thorough reseal
Fits These Machines
- for Chevrolet Impala 3.8L V6 (1997–2005)
- for Pontiac models with 3.8L V6 (1997–2005)
- for Buick models with 3.8L V6 (1997–2005)
On-The-Job Use
- Cylinder head gasket replacement on GM 3800 V6 engines
- Daily driver and commuter car engine repairs
- Fleet maintenance for Impala and Grand Prix service vehicles
- Performance street builds requiring an MLS upgrade
- Long-term restoration of Buick and Pontiac sedans
Specs At A Glance
| Engine | 3.8L V6 (3800 Series II/III) |
| Gasket Type | MLS (Multi-Layer Steel) |
| Material | Stainless steel with Viton coating |
| Includes Bolts | Yes, torque-to-yield head bolts |
| Application Years | 1997–2005 |
Good To Know
Q: Do the head bolts need to be replaced when installing this MLS gasket set? A: Yes, the torque-to-yield bolts included in the set must be used; reusing original bolts can result in insufficient clamp force and gasket failure.
Q: Will this gasket set fit supercharged 3.8L L67 engines? A: The MLS design is compatible with both naturally aspirated and supercharged 3800 Series II/III engines, but verify deck surface flatness and required finish for forced-induction applications.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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