Rebuilt Chevrolet Big Block BBC 454 MK IV 4 bolt main motor, just rebuilt and ready to install. Sounds great.
Break-in and dyno time only - Lucas Break in oil with zinc additive, 15 degrees initial timing, 34 degrees total
Complete from carb to pan. This motor is ready to install and run. Old school factory GM performance
Never installed – Break in and dyno time only
468 hp @ 5100 RPM / 538 ft lbs tq @ 3700 RPM
• Block – GM MK IV Casting 14015445 – hot tanked and shot peened, checked for cracks, new cam bearings and brass freeze out plugs. Bored/honed .060 over, deck height checked, align honed
• Heads – 14096188 - 188 (same as 990) steel castings rectangle port heads – 2.19 /1.88 valves. Cleaned, magnafluxed, checked for straightness, valve job. New Crane NOS springs 99893-16, new rubber/metal valve cover gaskets, factory steel rockers 1.7 ratio, 7/16 pushrods. Fel-Pro blue Perma-Torque head gaskets. New steel chrome valve covers, GM valve cover studs/nuts/washers/holddowns
• Intake Manifold – GM Winters 3933163 vintage single plane manifold, new water outlet, new 180 degree high flow thermostat
• Carb – Rebuilt Holley 4781-9 – 850 mechanical secondaries / manual choke – factory refurbished from Holley, new mechanical fuel pump, Edelbrock Proflo 1000 air cleaner
• Crank - Factory Steel GM 7416 forged casting cut/polished .010/.010 new Clevite CL77 main (MS 829 H10) and rods bearings (CB 743 H10)
• Pistons – New Speed Pro forged dome pistons L2465F60 about 9.1 compression ratio with these 990 heads, new Sealed Power/Speed Pro Rings R-9905
• Rods – Factory GM 7/16 dimple rods, pressed pin
• Camshaft – NOS Crane 969961 – replacement for GM 3863143 LS6 solid mechanical flat tappet .520/.520 lift, Lifters – NOS Crane 99250-16 flat tappet, 7/16 pushrods. New double roller timing chain set
• Accel Reman HEI distributor (#59107) HEI distributor, new 8 MM spark plug wires, new NGK V Power plugs
• New aftermarket “Camaro” style oil pan with Fel-Pro Blue re-usable gasket, new Melling M77HV oil pump with welded pickup, new dip stick/tube
• New Gates water pump 44027, GM water pump pulley 351680 AA
• Rebuilt alternator – 63 Amp internal regulator
• Rebuilt banjo style power steering pump, GM P/S pulley 354325AC
• Rebuilt GM hi torque starter
• Used GM crank pulley 14025185BN, new belts
• NOTE: You can add an A6 GM long style AC Compressor with factory brackets for an additional $500.
PLEASE READ: Cash or Cleared Funds required prior to pick up. LOCAL PICKUP IN MANALAPAN, NJ 07726.
