Chevy 468 CI Big Block Marine

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Chevy 468 CI Big Block Marine 475HP 525FT/LBS TQ Block 4 bolt block bored and honed with deck plates Gen IV 2pc seal Premium core.  No repairs. No sleeves   Cylinder Heads World 320cc Rectangular Port Heads 3 angle competition valve job ARP Head Bolts   Valve Train Comp Cam   224/224   510/510  114 (needs performance exhaust) Comp hydraulic lifters Hardened locks and retainers 2.30 Int / 1.88 Exh stainless valves Comp Springs 1.540 OD Cloyes True Double Roller timing chain Scorpion Aluminum Roller Rockers 1.7:1 7/16 Hardened studs and guide plates Manley Hardened Push Rods   Rotating Assembly Keith Black Forged Pistons  10.3:1 CR Eagle Forged I beam Rods Bushed w/ ARP bolts 4340 Forged Steel Crank Balanced rotating assembly within 1 Gram Speed Pro File Fit Moly Rings Internal Balance   Intake and Tinware World Marine Intake w/4150 base Professional Products 8" Balancer Canton Marine Oil Pan and Screen Chrome Tall Valve covers New OE timing cover New Flywheel Assembled with all grade 8 hardware.   Dyno testing at an additional fee No Core Return Required Crate Engine Cost: $8,499 Turn Key Engine Cost: $10,499

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.