Chevy 496 CI Big Block Marine

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Chevy 496 CI Big Block Marine 520HP 595FT/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 heads 320cc int 2.300 1.88 3 angle competition valve job ARP Head bolts Valve Train Comp Cam 234/244 564/566 112 Hyd (needs performance exhaust) Hardened locks and retainers 2.30 Int / 1.88 Exh stainless valves HP Springs 1.540 OD Comp hydraulic lifters Cloyes True Double Roller timing chain Scorpion Aluminum Roller Rockers 7/16 Hardened studs and guide plates Manley Hardened Push Rods Rotating Assembly SRP Forged Pistons 10.1:1 CR Eagle I beam rods w/ ARP bolts Eagle Cast Steel Crank Balanced rotating assembly within 1 Gram Speed Pro File Fit Moly Rings External Balance Intake and Tinware World Marine Intake w/4150 base Professional Products 8" Balancer Deep Sump Pan Chrome Tall Valve covers OE timing cover New OE Style Flywheel Assembled with all grade 8 hardware. Dyno testing at an additional fee No Core Return Required Crate Engine Cost: $8,199 Turn Key Engine Cost: $10,199

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.