Hedman Street Headers - 64-77 El Camino/ Malibu / 64-73 Chevelle / 71-94 Caprice/Impala / 70-77 Monte Carlo R03J015S Valve Spring Locators and Seat

Valve Spring Locators and Seat Cups provide a hardened barrier between the springs and the aluminum heads

1979-1985 Buick Riviera

1984-1990 Ford Bronco II

2021 Ford F-150 Raptor SuperCab Pickup

Made from a closed cell polyethylene to enhance frequency response for improved sound clarity

Hedman Street Headers - 64-77 El Camino/ Malibu / 64-73 Chevelle / 71-94 Caprice/Impala / 70-77 Monte Carlo R03J015S Valve Spring Locators and SeatHedman Hedders Standard Uncoated Headers; 1 5 8" 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 in the USA since 1954, and they've been manufacturing long and MID LENGTH tube headers for Chevy