Hooker Competition Headers - 1-3/4 in Primary - 3 in Collector - Black Paint - Big Block Chevy - GM Fullsize SUV / Truck 1969-91 Bushings and Mounts 12 and 16 volt compatible

12 and 16 volt compatible

opens at 18psi and higher

made from a special flexible pipe that provides maximum stability and allows for precise adjustment

at both ends and pliable construction allow the sleeves to fit multiple angled spark plug boots

Hooker Competition Headers - 1-3/4 in Primary - 3 in Collector - Black Paint - Big Block Chevy - GM Fullsize SUV / Truck 1969-91 Bushings and Mounts 12 and 16 volt compatibleHooker Headers Competition Header 2463HKR Black Finish Tube Size 1. 75 x 31 in. OD Collector Size 3 in. OD Collector Length 8 in. Port Shape Same As Port High Performance Affordable Durable 16 Gauge Material Welds Easier Lasts Longer Heat Cured High Heat Resistant Applications include: Blazer, Blazer K5, Jimmy, K10 Pickup, K15 Pickup, K15 K1500 Pickup, K1500 Pickup, K20 Pickup, K25 Pickup, K25 K2500 Pickup, K30 Pickup, K35 K3500 Pickup, K3500 Pickup,