Timing Chain & Sprockets: 64-79 Pontiac V8 Double Row There is a Factory AC

There is a Factory AC one and factory NON AC panel or if your car DID once have AC

A proportioning valve is used in the rear to decrease the rate of pressure rise to the drums relative to the pedal force as weight is shifted to the front during braking

carefully inspect all hoses

and timing gears come off without the use of pullers

not fibreglass

Timing Chain & Sprockets: 64-79 Pontiac V8 Double Row There is a Factory ACDual Row timing chain & Sprockets for the PONTIAC 326, 250, 289, 400, 421 455 Pontiac V8 engine. Mainly Comp Cams brand or Isky or similiar top notch brand. SPECIAL NOTE: One reason why Pontiac's are easier to work on then Chevy's. Pontiac timing chains are a breeze to change since the balancer, and timing gears come off without the use of pullers. Also installing the timing cover is a breeze since you don't have to loosen up the oil pan [like you do