Specifications
- Brand
- SPEC
- Part #
- SC503F

Spec 1978 Chevy Full Size Truck (Gas) 6.6L Stage 3+ Clutch Kit
$598.04
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SPEC Stage 3+ Clutch Kit for 6.6L Gas engines. Verified fitment for many Chevy trucks.
Key Features
- This kit includes a clutch disc, pressure plate, and release bearing.
- Designed for 1978 Chevy Full Size Trucks with the 6.6L Gas engine.
- Fits a wide range of Chevrolet C and K series pickup trucks from 1969 to 1984.
- Stage 3+ rating indicates increased holding capacity for modified engines or heavy use.
- Features a high-performance friction material for a strong grip.
- Pressure plate offers increased clamping force to prevent slippage.
Product Details
When you're looking to upgrade the clutch on your classic Chevy truck, this SPEC Stage 3+ Clutch Kit is a solid option. This kit includes the clutch disc, a pressure plate, and a release bearing, giving you the core components needed for a clutch replacement. It's designed for 1978 Chevy Full Size Trucks with the 6.6L Gas engine, but it also fits a range of other Chevrolet C and K series pickups from the late 60s through the mid-80s, like the C10 and K20 models.
The Stage 3+ designation means this clutch is built to handle more power than a stock setup, making it a popular choice for trucks that see heavier use or have had engine modifications. The clutch disc features a high-performance friction material that offers a strong grip, while the pressure plate is engineered to provide increased clamping force. This combination helps prevent clutch slippage under load, ensuring that your engine's power is transferred efficiently to the drivetrain. The included release bearing is a direct replacement for your original, simplifying the installation process.
Installing a new clutch is a significant job, and this kit provides the essential parts to get it done. It's important to ensure all mating surfaces are clean and that you follow the manufacturer's recommended installation procedures. This clutch kit is a well-built option for owners who need a reliable and capable clutch for their truck, whether for towing, hauling, or just a more responsive driving experience.
Specifications
- Brand
- SPEC
- Manufacturer Part #
- SC503F
Frequently Asked Questions
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Spec 1978 Chevy Full Size Truck (Gas) 6.6L Stage 3+ Clutch Kit




