The Enginetech C350HP-L is a full gasket set engineered for 1975-1985 GMC 5.7L 350ci applications. This kit delivers application-specific sealing performance with materials selected for the thermal and pressure demands of this engine family.
Important Notes:
- Ex. LPG. H.D. graphite and stainless steel head gaskets. H.D. five layer intake gaskets. 2pc. rear main seal. One piece oil pan gasket for Left dipstick.
| Part Number | C350HP-L |
| Gasket Set Type | Full Gasket Set |
| Engine | 5.7L 350ci |
| Year Range | 1975-1985 |
| Makes | GMC |
| Country of Origin | IN |
| Weight | 2.8 lbs |
| UPC | 707473092487 |
Vehicle Fitment: 1975-1978 GMC C15 5.7L 350ci V8 OHV; 1975-1978 GMC C15 Suburban 5.7L 350ci V8 OHV; 1979-1985 GMC C1500 5.7L 350ci V8 OHV
Enginetech full gasket sets are engineered to meet or exceed OEM specifications and backed by over 40 years of engine rebuilding expertise - giving professional rebuilders and serious DIYers confidence that every seal, gasket, and component in the kit will perform correctly from initial startup through long-term operation. Each set is application-specific, designed around the exact engine family it serves, with premium materials selected to handle the thermal cycling, pressure, and chemical exposure demands of that particular application. Select sets feature Multi-Layer Steel (MLS) head gaskets for superior sealing on modern engines where precision surface finish and clamping load are critical - a meaningful upgrade over standard composition gaskets in high-stress applications. Enginetech kits are clearly documented with application-specific notes covering included and excluded components, so you know exactly what you're getting before the engine is on the stand. As with any gasket set installation, always use new head bolts where specified - reusing stretch-to-yield fasteners compromises clamp load and risks head gasket failure regardless of gasket quality.
