Hedman Elite Ultra-Duty Headers - 1.625 in Primary - 3 in Collector - Metallic Ceramic - Small Block Chevy - GM Fullsize Truck 1988-95 - Pair RG20003XS the Hi-Tech belt drive system

the Hi-Tech belt drive system for Chevrolet Big Block reduces flap through the RPM range while absorbing crankshaft harmonics to prevent performance-robbing valve train instability

1976-1978 Chevrolet K5 Blazer CID 454 GAS

1971-1974 Pontiac Grand Safari

Includes Oil Fill Cap/Grommets

Will Not Blue Or Discolor

Hedman Elite Ultra-Duty Headers - 1.625 in Primary - 3 in Collector - Metallic Ceramic - Small Block Chevy - GM Fullsize Truck 1988-95 - Pair RG20003XS the Hi-Tech belt drive systemHedman Hedders Elite Headers; 1 5 8" Tube Diameter; 3" Collector; Full Length Design Hedman Hedders Elite Hedders Exhaust Header 69840 Tube Size 1 5 8 in. Collector Size 3 in. Engine Offset To Passenger Side w o Smog Injection Injection Heads Ultra Duty 14 Gauge Primary Tubes Ceramic Metallic Coating Stands Temp. Up To 1400 F Durable 3 8 in. Flanges Prevent Warping And Stands Up Better Against Brutal Punishment Durable And Affordable Hedman Hedders