Hooker BlackHeart LS Turbo Cast Iron Exhaust Manifold - Black Ceramic Coated - GM LS-Series DEW32-4139034M Pump drive shafts are machined

Pump drive shafts are machined from 4130 chrome moly

Will not fit manual transmission cars with factory Z bar clutch linkage

1977-1978 GMC C25 Suburban

Nomex® soft knit for comfort and fire-retardancy

Hooker BlackHeart LS Turbo Cast Iron Exhaust Manifold - Black Ceramic Coated - GM LS-Series DEW32-4139034M Pump drive shafts are machinedThese Hooker BlackHeart LS Turbo Exhaust Manifolds are the simple solution for adding a turbo to your muscle car. They are made from High Silicon Moly ductile iron, have a natural cast finish and are much more durable than fabricated headers. A turbo cross over tube is available for manifold connection (sold separately). A universal cross over component kit is also available for custom applications (requires fabrication & welding). These manifolds are