JBA Exhaust Headers for Chevy GMC Blazer S10 Blazer S10 4.3L V6 - 1840S-4 lighting-and-lamps 3L V8 1989 - 1991

3L V8 1989 - 1991 Chevrolet R3500 350/5

1975-1986 Chevrolet K5 Blazer 400 CID

3 V6 1976 - 1977 Chevrolet Monte Carlo 1975 - 1986 Chevrolet C20 350/5

7 V8 1974 GMC K15/K1500 Pickup 292/4

JBA Exhaust Headers for Chevy GMC Blazer S10 Blazer S10 4.3L V6 - 1840S-4 lighting-and-lamps 3L V8 1989 - 1991Overview: 02 03 GM S Truck Cat4Ward 4. 3L Raw 409 JBA shorty headers are one of the foremost performance upgrades you can bestow upon your beloved car, truck, or SUV. JBA Headers are significantly less restrictive than stock manifolds and dramatically increase the power and efficiency of your engine. Each header is constructed from durable stainless steel to endure the abuse of racing, towing, and daily driving built to withstand it all. JBAs