Current Crate Engine Specials

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Chevy 383 CI Small Block w/ Cast Iron Dart 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 Dart S/S Cast Iron 23 deg Heads 2.02 Int / 1.60 Exh 165cc runners 72cc chamber 7 degree hardened locks and chrome Moly retainers New Stainless Performance Valves High Performance Springs 3 angle competition valve job ARP Performance Head Bolts Valve Train HP Cam 234/244dur@50 deg 488/509 Valve Lift 107/117 Lobe Separation High Intensity Lifters. Cloyes True Double Roller timing chain Scorpion Aluminum Roller Rockers 1.5 Screw in studs and guide plates Rotating Assembly Speed Pro Hypereutectic coated pistons 9.5:1 C.R. Eagle I Beam Connecting Rods w/ ARP rod bolts Scat 3.750 Stroke Cast Steel Crank Balanced rotating assembly within 1 Gram Speed Pro Moly Rings Balanced rotating assembly within 1 Gram Intake and Tinware Professional Products Crosswind Manifold Professional Products 8 in Harmonic Balancer OEM Oil Pan Polished Alum Valve Covers OEM Timing cover OEM Flex Plate Dyno testing at an additional fee Crate Engine Cost: $4,249 Turn Key Engine Cost: $5,349

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.