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Built with sturdy
Speedmaster manufactures these master cylinders from quality materials to ensure proper fitment
dual plane fuel injection intake manifolds allow the installation of dual throttle bodies on late model LS Series engines
Speedmaster's ignition coils provide the performance needed to help keep vehicles running the way that they were designed
Pontiac 455 4340 Forged Steel Crankshaft ST-4.25 M-3.25 RJ-2.200 RMS-2Pc Ext Built with sturdyThese 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
