677 in Long
See MSD PN 5529 for 3
NHRA LEGAL
Hedman's 3-Bolt flange hedder reducers are for use with Hedman Hedders fitted with 3-bolt gasketed collectors
Bandit / Super Bandit / Carbon Bandit / Drag Bandit Model Helmets
Weiand Street Warrior Spread / Square Bore Dual Plane Intake Manifold - Oval Port - Big Block Chevy Helmet Air System Blower Wiring Harness 677 in LongWeiand Street Warrior Intake Manifold 8123 Satin Finish Oval Port Square Spread Bore Chevy Big Block 396 502 cid Street Strip Use Only All New Optimized Design Low Rise Dual Plane Design Runner Geometry Optimized Universal Dual Pattern Carb Flange Applications include: Bel Air, Biscayne, Brookwood, Camaro, Caprice, Chevelle, Chevy Ii, Corvette, Impala, Kingswood, Laguna, Malibu, Monte Carlo, Nova, Townsman, Chevrolet, 1976, 1975, 1974, 1973 Product