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Looking for aftermarket parts to modify or upgrade your 1990 GMC Jimmy with headers & manifolds? At Tunersports.com we carry a huge selection of the top name brand performance headers & manifold parts and accessories.
 IN STOCK 1830SJBA 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 stainles... JBA 92-95 Chevrolet Blazer 5.0L/5.7L w/o A.I.R. 1-1/2in Primary Raw 409SS Cat4Ward Header 1988-1990 GMC Jimmy Sierra Classic 1988-1991 GMC Jimmy Base $608.89 |
 OUT OF STOCK 1830S-4JBA 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 stainles... JBA 87-91 Chevrolet Blazer 5.0L/5.7L w/o A.I.R. 1-5/8in Primary Raw 409SS Cat4Ward Header 1987-1990 GMC Jimmy Sierra Classic 1987-1991 GMC Jimmy Base $776.35 |
 OUT OF STOCK 1830S-4JSJBA 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 stainles... JBA 87-91 Chevrolet Blazer 5.0L/5.7L w/o A.I.R. 1-5/8in Primary Silver Ctd Cat4Ward Header 1987-1990 GMC Jimmy Sierra Classic 1987-1991 GMC Jimmy Base $924.05 |
 OUT OF STOCK 1830SJSJBA 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 stainles... JBA 86-95 GM Truck 5.0L/5.7L SBC w/o A.I.R. 1-1/2in Primary Silver Ctd Cat4Ward Header 1988-1990 GMC Jimmy Sierra Classic 1988-1991 GMC Jimmy Base $784.58 |
 OUT OF STOCK 1830SJTJBA 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 stainles... JBA 86-95 GM Truck 5.0L/5.7L SBC w/o A.I.R. 1-1/2in Primary Ti Ctd Cat4Ward Header 1988-1990 GMC Jimmy Sierra Classic 1988-1991 GMC Jimmy Base $754.98 |