Hedman Street Headers - 64-77 El Camino/ Malibu / 64-73 Chevelle / 71-94 Caprice/Impala / 70-77 Monte Carlo AA0710AG1S63 Single Inner Valve Springs from

Single Inner Valve Springs from COMP Cams allow you to build the perfect spring assembly for your application

102g weight

83 cc Chamber

The end results is a competition ready cylinder head that features a cylinder head which is compatible with OE valve train and pistons for bolt-on convenience while Victor cylinder head features raised runners

Hedman Street Headers - 64-77 El Camino/ Malibu / 64-73 Chevelle / 71-94 Caprice/Impala / 70-77 Monte Carlo AA0710AG1S63 Single Inner Valve Springs fromHedman 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