Hooker Competition Headers - 1.625 in Primary - 2.5 in Collector - Black Paint - Small Block Chevy - GM Fullsize SUV / Truck 1963-91 - Pair Tachometer Wiring Harness fittings can also be welded

fittings can also be welded in place

High volume gears are machined to close tolerances to ensure proper engine pressure and correct

This gas pressure shock allows racer to change pressure to his/her preference

costing you power

5" Hg / #HLY125-85 - Opening Vacuum 8

Hooker Competition Headers - 1.625 in Primary - 2.5 in Collector - Black Paint - Small Block Chevy - GM Fullsize SUV / Truck 1963-91 - Pair Tachometer Wiring Harness fittings can also be weldedHooker Headers Competition Header 2452HKR Black Finish Tube Size 1 5 8 x 27 in. OD Collector Size 2. 5 in. OD Collector Length 8 in. Port Shape Same As Port Will Not Fit Angle Plug Heads High Performance Affordable Durable 16 Gauge Material Welds Easier Lasts Longer Heat Cured High Heat Resistant Vehicle Applications: 1987 1988 Chevrolet R20 1987 1987 GMC R1500 1975 1986 Chevrolet C30 1979 1986 GMC C1500 1987 1988 Chevrolet R20 Suburban 1987 1987 GMC