454ci 475Hp BBC Engine Special
454ci 475Hp BBC Engine Special is for marine, street or Pro Street applications. Specifically built using the GenV 4 bolt main block. (no fuel pump rod requires electric pump) CNC 45 degree perfectly square decked, then plate honed to 4.250″. GM 4.0″ stroke standard journal externally balanced cast crank, GM 6.135″ I Beam rods with GM 3/8″ rod bolts, Sealed Power Pistons, Moly Rings, meticulously assembled, dyno tested and tuned for torque and power using our Stuska dyno using 87 octane pump gas with a dual plane aluminum intake, Double Pumper 850cfm Carburetor
$6995.00
9.780″ Deck | 4.250″ Bore | 4.000″ Stroke | 6.135″ Rods | 500lb @ 3200 and 450hp @4000 rpm
Components
- Gen V 4 Bolt Main 1 Piece Seal Block (no fuel pump mount)
- Brass Lifetime Freeze Plugs
- GM 4.000″ Standard Size Externally Balanced Crank
- GM 6.135″ I-Beam Steel Rods with 3/8 Bolts
- Standard Main and Rod Bearing Kit
- Sealed-Power Cast Aluminum 8:1 Pistons and Moly Rings
- Comp Cams 268 Hydraulic Flat Tappet Cam
- Delphi Flat Tappet Lifters (must run 10635 Lucas Oil Always)
- High Performance Double Roller Timing Set
- GM Steel Timing Cover and TDC Verified Pointer
- GM Externally Balanced Harmonic Damper
- GM Small Oval Port Prepared in House Heads
- GM Intake and Exhaust Valves
- GM Valve Springs, Retainers and 7° Lock Kit
- Fel Pro Marine Performance Gasket Set
- GM 1.7 Rockers, Guide Plates, Pushrods and Fasteners
- GM Short CNC Engraved Aluminum Valve Covers
- GM 60 PSI Oil Pump with Welded Pickup Tube
- GM 8 Quart Oil Pan System and Dipstick
- Edelbrock or Weiand Dual Plane Intake
- 850 cfm Double Pumper Carburetor
- HEI Distributor, Coil, 8.5mm Wires and NGK Spark Plugs
OPTIONS
461ci; GM V Block Bored and Plate Hone to 4.280″ using Mahle Forged Pistons, Balanced, CNC Blue Printed for more Power and up to 6500RPM
+ $ 895.00
Comp Cams 5900RPM Pro Street NX262H CL-556-4 Hot Hydraulic Cam, Conical Lifters, Springs, 10° Tool Steel Retainers and Locks and Roller Tip Rocker Kit
+ $ 795.00
Comp Cams 6000RPM Pro Street XR288HR Hot Hydraulic Roller Cam, Conical Lifters, Springs, 10° Tool Steel Retainers and Locks and Roller Tip Rocker Kit
+ $1495.00
Holley Sniper II EFI Dyno Tested and Tuned for Drop in and go
+ $ 800.00
External Balanced Flexplate
+ $ 100.00
External Balanced Flywheel
+ $ 200.00
Power Master Starter Install, Shimmed Correctly for Perfect Starts all the Time
+ $ 275.00