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Chevy 496 CI Big Block

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Chevy 496 CI Big Block 590HP 615FT/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  w/ ARP head bolts
Hardened locks and retainers
2.25 Int / 1.88 Exh stainless valves
HP Springs 1.540 OD
3 angle competition valve job
Fel Pro Performance head gaskets
 
Valve Train
Crane Cam   236/246 553/571 109 hydraulic flat
HP hydraulic lifters
Cloyes True Double Roller timing chain
Scorpion Aluminum Roller Rockers
7/16 Hardened studs and guide plates
Manley Hardened Push Rods
Roller Thrust button for cam
 
Rotating Assembly
Keith Black Forged Pistons 10.5:1
Eagle Forged H beam rods w/ ARP bolts
4340 Forged Steel Crankshaft
Balanced rotating assembly within 1 Gram
Speed Pro File Fit Moly Rings
Internally Balanced
 
Intake and Tinware
Professional Products Hurricane single plane intake Manifold
Professional Products 8" Balancer
OE Extra Clearance Pan for all chassis
Chrome Tall Valve covers
OE timing cover
OE internal Balance Flex plate
 
Dyno testing at an additional fee

No Core Return Required

Crate Engine Cost: $7,999

Turn Key Engine Cost: $9,999


Disclaimer

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.
 

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