Hedman Street Headers - 1.75 in Primary - 3 in Collector - Black Paint - Big Block Chevy - Corvette 1963-82 - Pair M30CS the EZ-TCU does all the

the EZ-TCU does all the work for you

KRC 40160900 spacer set is required behind the bracket to proper align this pulley with a KRC water pump pulley

1-3/4 in Bores

NOTE: includes early thin 1/4 inch 1955-1974 and late thick 3/8 inch 1975-1979 front oil pan seals

Liftetime Limited Warranty

Hedman Street Headers - 1.75 in Primary - 3 in Collector - Black Paint - Big Block Chevy - Corvette 1963-82 - Pair M30CS the EZ-TCU does all theHedman Hedders Standard Uncoated Headers; 1 3 4" Tube Diameter; 3" Collector; Full Length Design Hedman's Standard duty, Uncoated Hedders are manufactured using 18 gauge, mandrel bent primary tubes (some models built using thicker 16 or 14 gauge tubing), and 1 4 flanges (some models use 3 8" flanges). Hedman Hedders has been manufacturing quality headers and exhaust components in the USA since 1954. Hedman Hedders Standard Uncoated Headers 1 3 4" Tube