Hooker Headers are the best single improvement you can make
vacuum outlets or stock throttle linkage and cables
They feature all necessary vacuum ports
Chev 396 454 Big Block Double Groove Crankshaft Pulley Chrome # S9816
BRAND NEW ROCKER ARM KIT TO SUIT FORD 6
TCI Speedometer Gear Housing, 40 - 45 Tooth Chev Turbo 700 # TCI880023 Rate_12 Hooker Headers are the bestTCI Speedometer Gear Housing, 40 45 Tooth Chev Turbo 700 # TCI880023 Speedometer Gear Housing, 40 45 Tooth, Steel, BOP, 700R4, TH350, Each Speedometer Drive Gear Housing Type: 40 45 tooth Speedometer Drive Gear Housing Material: Steel Quantity: Sold individually. Notes: Fits BOP, 700R4, Buick, Oldsmobile and Pontiac TH350. Will not fit Chevrolet TH350 or any TH400 applications.