Edelbrock Waterneck Cast Sbc/BBC Straight Polished

These polished waternecks are a great to finish of your engine. They feature an O-ring design for an improved seal, which also allows for removal without requiring a new gasket. Fits any 1-1/2 diameter outlet hose. Edelbrock Waterneck; Cast Sbc/Bbc Straight Polished The Edelbrock #9713 Intake Valve Seat is a replacement for Edelbrock Pontiac Cylinder Heads with 2.11" Intake Valves. Set of 1. Chevrolet:Big-Block Mark IV:396 (6.6L)/402 (6.6L)/427 (7.0L)/454 (7.4L)/502 (8.2L);Chevrolet:Small-Block Gen I:265 (4.3L)/267 (4.4L)/283 (4.6L)/302 (4.9L)/305 (5.0L)/307 (5.0L)/327 (5.4L)/350 (5.7L)/400 (6.6L)