Fel-Pro Exhaust Header Gaskets - Steel Core Laminate - Round Port - Chevy - SB - 18 Adapter Plate H76803FXL 5oz (354grams) Outside Diameter: 39mm

5oz (354grams) Outside Diameter: 39mm OD External Materials: Black plated steel with laser etching Inlet Fitting: 7

Compression Ferrule

Red/Blue Anodized Pit Stop USA offers Earl's #6 Aluminum 90

retainer and mechanical advance curve kit

1200 / 5600 RPM

Fel-Pro Exhaust Header Gaskets - Steel Core Laminate - Round Port - Chevy - SB - 18 Adapter Plate H76803FXL 5oz (354grams) Outside Diameter: 39mmFel Pro deliver reliable sealing under grueling racing conditions. From the leader in aftermarket engine sealing, FEL PRO the gaskets professionals trust. Each gasket, set, or seal is built to meet or exceed all original equipment specifications and is validated for fit, form, and function. GMP Performance V8, 262 (4. 3L), 265 (4. 3L), 267 (4. 4L), 283 (4. 6L), 302 (4. 9L), 305 (5. 0L), 307 (5. L), 327 (5. 3L), 350 (5. 7L), 400 (6. 6L); 18 Degree High