Chevy 383 CI Small Block

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Chevy 383 CI Small Block Replacement for 96-99 Vin R Engines 340HP 420FT/LBS TQ Block Bored and honed with torque plate One piece rear main seal 4 bolt main 880 casting Premium core max .040 bore. No repairs. No sleeves Cylinder Heads New Vortec Heads 1.94 Int 1.50 170 cc int runners 7 degree hardened locks and chrome Moly retainers New Stainless Performance Valves High Performance Springs 3 angle competition valve job Valve Train Roller Cam 196/206 431/451 GM performance New Roller Lifters True Double Roller timing chain 1.5 adjustable rockers Screw in studs Rotating Assembly Speed Pro Hypereutectic coated pistons 9.2:1 C.R. Powder metal rods w/ ARP rod bolts Scat 3.750 Stroke Cast Steel Crank Balanced rotating assembly within 1 Gram Moly Rings Externally Balanced OE front cover supplied Note: Customer must reuse existing Tinware. Core return must be 880 block with 906 heads Crate Engine Cost: $3,199

Promar Reserves the right to change manufacturers and specs without notice. HP and TQ ratings are based on actual results on a engine dyno with open headers in controlled environment tuned for maximum performance.