About this product
This fiber gasket seals TSP's Chevy Big Block fuel pump block-off plate against the mounting surface, helping prevent oil seepage at the mounting location. It's sold individually, useful as a replacement gasket or for keeping a spare on hand during installation.
Confirm this gasket matches your specific block-off plate and mounting pattern before ordering.
Applications
Fits Chevrolet Big Block V8 Gen. II (Mark IV) fuel pump block-off plate installations (396, 402, 427, and 454 CID), commonly used in Camaro, Chevelle, Corvette, C/K trucks, and full-size Chevrolet applications running a converted electric fuel pump setup.
Installation
Place between the block-off plate and mounting surface. Verify bolt pattern, fastener length, and sealing surface condition before installation to help prevent oil seepage.
COMPATIBLE WITH
CHEVROLET BIG BLOCK V8 GEN. II (MARK IV)
• 6.5 L / 396 in³
• 6.6 L / 402 in³
• 7.0 L / 427 in³
• 7.4 L / 454 in³
COMMON VEHICLE APPLICATIONS
- Chevrolet Camaro / Chevelle / Corvette applications with Big Block Chevy engines
- Chevrolet C/K truck and full-size Chevrolet big block V8 applications
- Big Block Chevy restoration, replacement, and upgraded carbureted fuel systems
SPECIFICATIONS
Material: Fiber
Quantity: Sold Individually
Description supplied by Top Street Performance through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.






