Intake Manifold High Performance BIG Weber 250 292 Inline 6 Chevrolet Isky tool room valve springs

Isky tool room valve springs Titanium retainers

* Hot tanked & Jet washed

With all head castings from GM not intended for High Performance use all castings where far from perfect by today’s standards

This Manifold and all the ones that we will be selling are set up with USA made splined cross shaft and splined arms "THEY WILL NEVER SLIP"

Intake Manifold High Performance BIG Weber 250 292 Inline 6 Chevrolet Isky tool room valve springsT6Performance BIG Weber Carburetor side draft Inline 6 High Performance Manifold. New cast manifold modified and Pro Ported to accept 50 and 55mm Carburetors. T6 Performance is having them cast in the USA and they are machined in house in 4 different configurations for the L4 and L6 Chevy 6 engines. This Manifold and all the ones that we will be selling are set up with USA made splined cross shaft and splined arms "THEY WILL NEVER SLIP"