The Chevrolet Performance 383ci Short Block is the same starting point that Chevrolet uses for the 383/340 HP and the 383/425 HP performance crate engines. This is perfect for those who want to build their own custom stroker small-block engine. This short block Includes a specially modified block, 3.80'' 4340 forged steel stroker crankshaft, heavy-duty connecting rods, hypereutectic pistons, bearings, oil pan, oil pump, front cover, balancer, 12.75'' flexplate and oil pan.
Block: Cast Iron, 4 bolt intermediate main.
Crankshaft: Forged 4340 Steel, Externally Balanced, 1 piece rear seal.
Connecting Rods: 5.7" Forged, powdered metal, 3/8" studs.
Bore/Stroke: 4.005" x 3.80"
Pistons: Hypereutectic, coated, 244-T5 aluminum alloy with
centered pin bore.
Rings: Plasma Moly
8" External Harmonic balancer
12-3/4" automatic flexplate
4 Quart oil pan with windage tray - 5 quart capacity with Fram 410-PH5 oil filter
Composite (plastic) Front timing cover
Engine oil dipstick and tube - passenger side location
Brass freeze plugs
Firing Order: 1-8-4-3-6-5-7-2.
Note: Does not include a camshaft, lifters, timing chain, or cam sprocket.