Cometic H1174SPU060S BBC 4.560 Bore .060 Thick SPU Head Gasket

The Cometic H1174SPU060S is a high-performance cylinder head gasket designed for Big Block Chevy (BBC) engines. Featuring a 4.560-inch bore diameter and a 0.060-inch compressed thickness, this gasket is built to deliver a reliable, high-integrity seal in demanding performance and racing applications.

Constructed using Cometic's SPU (Stainless Performance Upgrade) material, this gasket offers superior sealing capability compared to standard composition head gaskets. The SPU design is engineered to withstand elevated cylinder pressures and temperatures found in modified, turbocharged, supercharged, and high-compression BBC builds.

Key Features:

• Bore Size: 4.560 inches
• Compressed Thickness: 0.060 inches
• Material: SPU (Stainless Performance Upgrade)
• Application: Big Block Chevy (BBC) engines
• Sold: Individually (single gasket)
• Engineered for high-performance and racing engine builds
• Excellent resistance to high cylinder pressures and extreme temperatures
• Precise dimensional tolerances for consistent, repeatable sealing

Cometic Gasket is a globally recognized leader in performance engine sealing solutions, supplying gaskets to motorsports markets including drag racing, road racing, and street performance. The H1174SPU060S is an ideal choice for builders seeking a durable, precision-engineered head gasket for serious Big Block Chevy applications.