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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


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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