If you're diving into a rebuild or just need to seal things up on your classic Chevy, this Cometic Gasket LB1/LB4 Gen-1 90 Degree V6 Bottom End Gasket Kit is a solid choice. Designed specifically for those vintage V6 engines, this kit has everything you need to keep your bottom end tight and leak-free.
Let’s get into the nitty-gritty. This gasket kit is built for a range of Chevy models from the mid-'80s to early '90s, including the Astro, Blazer, C/K series trucks, and even the Monte Carlo. You’ll find quality gaskets that are made to fit snugly, ensuring you won’t have to worry about oil leaks ruining your ride. Plus, it’s got the durability to handle the heat and pressure that comes with daily driving or spirited weekend outings.
Here’s the scoop on what this kit fits:
Cometic has a solid reputation among gearheads for their quality. These gaskets are made to last, so you won’t be replacing them anytime soon. They’re designed to handle the specific needs of these older engines, so you can feel confident in the performance. Whether you're cruising down the highway or tackling a tough job, you want your engine to run smoothly, and this kit helps you achieve that.
Make sure to double-check your specific engine setup, as this kit is tailored for the V6 bottom ends of those classic Chevys. It’s a straightforward install, but if you’re not comfortable getting your hands dirty, it might be worth bringing in a buddy who knows their way around an engine.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Chevrolet Astro | 1985-1993 | Base |
| Chevrolet Astro | 1985-1993 | CS |
| Chevrolet Astro | 1985-1993 | CL |
| Chevrolet Astro | 1987-1993 | LT |
| Chevrolet Blazer | 1988-1993 | Silverado |
| Chevrolet Blazer | 1988-1991 | Scottsdale |
| Chevrolet Blazer | 1992-1993 | Cheyenne |
| Chevrolet C1500 | 1989-1991 | Cheyenne |
| Chevrolet C1500 | 1989-1991 | Silverado |
| Chevrolet C1500 | 1989-1991 | Base |
| Chevrolet C1500 | 1989-1991 | Scottsdale |
| Chevrolet C1500 | 1990-1991 | 454 SS |
| Chevrolet C1500 | 1990-1991 | WT |
| Chevrolet C20 | 1986 | Scottsdale |
| Chevrolet C20 | 1986 | Cheyenne |
| Chevrolet C20 | 1986 | Silverado |
| Chevrolet C20 | 1986 | Base |
| Chevrolet C20 | 1986 | Custom |
| Chevrolet C2500 | 1988-1992 | Scottsdale |
| Chevrolet C2500 | 1988-1992 | Silverado |
| Chevrolet C2500 | 1988-1992 | Cheyenne |
| Chevrolet C2500 | 1988-1992 | Base |
| Chevrolet Caprice | 1985-1990, 1992 | Base |
| Chevrolet Caprice | 1985-1990, 1992-1993 | Classic |
| Chevrolet Caprice | 1986-1990 | Classic Brougham |
| Chevrolet Caprice | 1987-1990 | Classic LS Brougham |
| Chevrolet Caprice | 1992-1993 | Classic LTZ |
| Chevrolet Caprice | 1993 | Classic LS |
| Chevrolet Commercial Chassis | 1992 | Base |
| Chevrolet El Camino | 1985-1987 | SS |
| Chevrolet El Camino | 1985-1986 | Conquista |
| Chevrolet El Camino | 1985-1987 | Base |
| Chevrolet Impala | 1985 | Base |
| Chevrolet K1500 | 1989-1991 | Cheyenne |
| Chevrolet K1500 | 1989-1991 | Silverado |
| Chevrolet K1500 | 1989-1991 | Scottsdale |
| Chevrolet K1500 | 1990-1991 | WT |
| Chevrolet K1500 | 1991 | Sport |
| Chevrolet K20 | 1986 | Silverado |
| Chevrolet K20 | 1986 | Custom |
| Chevrolet K20 | 1986 | Scottsdale |
| Chevrolet K2500 | 1988-1992 | Silverado |
| Chevrolet K2500 | 1988-1992 | Cheyenne |
| Chevrolet K2500 | 1988-1992 | Scottsdale |
| Chevrolet Monte Carlo | 1985-1988 | Base |
| Chevrolet Monte Carlo | 1986-1988 | LS |
| Chevrolet P30 | 1990-1993 | Base |
| Chevrolet P30 | 1990 | Step-Van |
| Chevrolet S10 | 1988-1992 | Tahoe |
| Chevrolet S10 | 1988-1993 | Base |
| Chevrolet S10 | 1988-1990 | Durango |
| Chevrolet S10 | 1988-1989 | Sport |
| Chevrolet S10 | 1991 | Baja |
| Chevrolet S10 | 1991-1993 | Maxi |
| Chevrolet S10 | 1992-1993 | EL |
| Chevrolet S10 Blazer | 1988-1990, 1992 | Sport |
| Chevrolet S10 Blazer | 1988-1993 | Base |
| Chevrolet S10 Blazer | 1988-1989 | High Country |
| Chevrolet S10 Blazer | 1988, 1990-1993 | Tahoe |
| Chevrolet S10 Blazer | 1991-1993 | Nevada |
| Chevrolet S10 Blazer | 1991-1993 | Tahoe LT |
| GMC Sonoma | 1991-1993 | Base |
| GMC Sonoma | 1991-1993 | SLE |
| GMC Sonoma | 1992 | GT |
| GMC Sonoma | 1993 | SLS |

Cometic is a company known for manufacturing gaskets and engine seals for different engines. They cater to various industries such as the marine, industrial, agricultural, and automotive sectors. The company was established back in 1989 and has since provided high performance sealing solutions worldwide.
Motorsport ParticipationThe company is considered as the leading supplier when it comes to gaskets and seals worldwide. They have provided high-performance gaskets in various racing events such as NASCAR, GNCC, and AMA. They helped top racing teams compete at the highest level by improving engine reliability.
Built for Extreme PerformanceWhether you are into endurance races at more than 220mph or setting the fastest drag records in 2000 hp top fuel race cars, Cometic has the right product for you. They design their products to withstand extreme temperatures and pressures. Hence, they are the brand chosen by the best in motorsports.
Best Value of ProductCometic has always been dedicated to providing high-quality products that provide customer satisfaction. They have always given their customers the best product at the most competitive price.
Quality in Every ProductThe company is housed in a 70,000 square foot facility with state-of-the-art manufacturing equipment that helps them create products that are superior compared to its competitors. Using premium materials, they are able to develop gaskets that provide proper seals every time.
Purchase Cometic Products at Vivid RacingIf you are in search of a high-quality gasket for your engine, then Cometic is the brand for you. Designed for OEM or high-performance applications, Cometic has got you covered. To know more about them, visit Vivid Racing and check out their list of products that fit your needs.