400 + HP

$4,250 w/ exchange

($260 core)

This block is professionally CNC Machined, Blueprinted and Computer Balanced.

BlockĀ  4 Bolt Main 1pc Seal P/S Dipstick
Bore/Stroke 4.030 x 3.750
Year Range Any
Displacement 383 C.I.D.
Main Caps ARP Studded Mains
Crankshaft Scat Nodular Iron 3.750″ Stroke Externally Balanced(Stock Balancer & flywheel ’86-95)
Connecting Rods Scat 4340 Forged I Beam 5.700″ ARP 5740 Bolts
Pistons Wiseco Forged
Piston Rings Wiseco
Connecting Rod Bearings ACL Race Series
Compression Ratio Depends on heads
Camshaft Hydraulic Roller
Camshaft Specifications Elgin ProStock E-1135-P (230/230 @.050 Dur. .480/.480 valve lift)
Timing Chain Double Row Roller Timing SS-3145
Cylinder Heads New Aluminum Eloteck (2.02″/1.60″ stainless steel valves)
Rocker Arms Elgin Roller Tip SSR-840RS
Push Rods Elgin Black Ice Hardened PR-537

*Horsepower subject to accessories applied.