Chevy 383 CI Small Block

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Chevy 383 CI Small Block w/ New Vortec Heads 405HP 450FT/LBS TQ Block Bored and honed with torque plate One piece rear main seal 4 bolt main Premium core max .040 bore.  No repairs. No sleeves Cylinder Heads New Vortec Heads 2.02 Int 1.60 170 cc int runners 64cc chambers 7 degree hardened locks and chrome Moly retainers New Stainless Performance Valves High Performance Springs 3 angle competition valve job New Head Bolts Valve Train Erson Cam 234/244dur@50 deg 488/509 Valve Lift  107/117 Lobe Separation w new hydraulic lifters Cloyes True Double Roller timing chain New 1.5 ratio self align long slot adjustable rockers Hardened Screw in studs  Rotating Assembly Speed Pro Hypereutectic coated pistons 9.6:1 C.R. OE Rods w/ ARP rod bolts Scat 3.750 Stroke Cast Steel Crank Balanced rotating assembly within 1 Gram Speed Pro Moly Rings   Intake and Tinware Professional Products Crosswind Manifold Professional Products 8 in Harmonic Balancer OEM Oil Pan Chrome Center bolt valve covers OEM Timing cover OEM Flex Plate Assembled with all grade 8 hardware. Dyno testing at an additional fee No Core Return Required Crate Engine Cost: $3,699 Turn Key Engine Cost: $4,799

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.