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Speedmaster aluminum adapter spacers allow you to adapt Powerglide to Turbo TH400 automatic transmission tailhousing
Designed for engines producing up to 500hp
These banners are made of weather-resistant polypropylene
When employing a lighter flywheel a counterweight to maintain balance will be required to improve engine response and acceleration
Ideal for vehicles with a long water pump and Type 2 power steering pump
Chevy 400 4340 Forged Steel Crankshaft ST-3.750 M-400 RJ-2.1 RMS-2Pc Bal-Int LW Speedmaster aluminum adapter spacers allowThese Speedmaster crankshafts are made from the same strong aircraft quality forging as standard weight cranks, but have profiled counterweights for less weight. Speedmaster lightweight crankshafts are perfect for engines wanting quicker rpm. These crankshafts feature profiled aero wing counterweights and have straight shot and chamfered oil holes. Speedmaster crankshafts are nitride hardened, with large radii on all journals for superior wear
US$ 29.99
US$ 59.93
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