Chevy 400 4340 Forged Steel Crankshaft ST-3.750 M-400 RJ-2.1 RMS-2Pc Bal-Int LW Elbow has a LS2 Series

Elbow has a LS2 Series 4 bolt pattern and is the best way to adapt a single throttle body to a Dominator 4500 style flange EFI manifold without sacrificing air flow

Made from 1045 heat treated alloy steel

Speedmaster crankshafts are nitride-hardened

this intake manifold is built to withstand the demands of supercharged or turbocharged setups

Theses brackets will keep your calipers in place so that they can perform to their full potential

Chevy 400 4340 Forged Steel Crankshaft ST-3.750 M-400 RJ-2.1 RMS-2Pc Bal-Int LW Elbow has a LS2 SeriesThese 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