RPC Copper Collector Gasket Inside Dia 2.5" #R7501X 5633100 010" thick

010" thick

The bore diameter size - 105mm

-Electro powder coating to resist scratches and solvent markings

HEDMAN HEADER FLANGE Gaskets for CHEVY 396-454 and ZZ502

Features: - Adj

RPC Copper Collector Gasket Inside Dia 2.5" #R7501X 5633100 010" thickRPC Exhaust Header Reducers are a must when updating your exhaust system or just simply adding or replacing a set of headers. These header reducers are made from heavy gauge aluminized tubing and designed for headers with a 3 bolt triangular flange. RPC Collector Gaskets will keep all exhaust gases flowing through your headers, not around the flange, for a leak proof seal. Each header collector gasket is made of the same copper high temperature