Chevy 468 CI Big Block

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Chevy 468 CI Big Block 550HP 585FT/LBS TQ Block 4 bolt block bored and honed with deck plates gen IV 2 pc seal Premium core. No repairs. No sleeves Cylinder Heads Pro Comp Aluminum Rectangular Port 320cc 115cc chambers Hardened locks and retainers 2.25 Int / 1.88 Exh stainless valves HP Springs 1.540 O.D. 3 angle competition valve job Fel Pro Performance MLS head gaskets Valve Train Crane Cam 230/236 552/555 112 needs 2200 stall HP hydraulic lifters Cloyes True Double Roller timing chain Scorpion Aluminum Roller Rockers 1.7 ratio 7/16 Hardened studs and guide plates Manley Hardened Push Rods Rotating Assembly Keith Black Forged Pistons 10.5:1 Eagle Forged I beam rods w/ ARP bolts Scat 9000 Series Crank Balanced rotating assembly within 1 Gram Speed Pro Moly Rings External Balance Intake and Tinware Professional Products Crosswind Air Gap manifold Professional Products 8" Balancer Deep Sump Drag Race pan 6qt Chrome Tall Valve covers OE timing cover OE External Balance Flex plate Dyno testing at an additional fee Crate Engine Cost: $7,299 Turn Key Engine Cost: $9,299

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.