Chevy 468 CI Big Block

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Chevy 468 CI Big Block 420HP 450FT/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 OE Oval Port heads Hardened locks and retainers 2.19 Int / 1.88 Exh stainless valves HP Springs 1.540 OD 3 angle competition valve job Valve Train Crane Cam 228/238 540/540 109/119 hyd HP hydraulic lifters Cloyes True Double Roller timing chain Roller Tip adjustable rockers 7/16 Hardened studs and guide plates Manley Hardened Push Rods Rotating Assembly Speed Pro Hypereutectic 9.5:1 CR OE rods with ARP bolts Scat 9000 Series Crank Balanced rotating assembly within 1 Gram Speed Pro Molly 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 Assembled with all grade 8 hardware. Dyno testing available at an additional fee Crate Engine Cost: $4,999 Turn Key Engine Cost: $5,999

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.