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Engine Chev 502ci V8 HT502 engine 406hp @ 4200rpm 541ft-lbs


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Part No: GM8890534
Engine Chev 502ci V8 HT502 engine 406hp @ 4200rpm 541ft-lbs @ 3200rpm 8-75:1 compression, based on the Gen VI 4 bolt main one-piece rear main seal block Chevrolet Performance 19433156
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  Your Price $17,629.02
A BIG-INCH ALTERNATIVE TO REBUILDING

Don’t bother repowering your trusty Big-Block-powered truck with a rebuild or reconditioned used engine. Our HT502 crate engine is an affordable alternative with more power and greater durability, including a whopping 541 lb.-ft. of trailer-tugging torque. That’s more than the factory ever offered and more than you’ll get with a stock-type rebuild.

It is uniquely suited to pre-1978 trucks, but is adaptable to a variety of applications, and it’s built with our latestgeneration block casting with four- bolt main caps. An all-forged rotating assembly delivers exceptional strength and durability, while a mild 8.75:1 compression ratio is suitable for regular pump gasoline at all altitudes and engine loads.

Our assembly comes with the heads and a balancer installed. An induction system, ignition, starter, water pump and other accessories are required to finish the engine. All necessary components are available from Chevrolet Performance.

Tech Specs:
Engine Type: Chevy Big-Block V8
Displacement (cu in): 502
Bore x Stroke (in): 4.47 x 4.00
Block:Cast-iron with 4-bolt main caps
Crankshaft:Forged steel
Connecting Rods:Forged steel, shot peened
Pistons:Forged aluminum
Camshaft Type:Hydraulic roller
Camshaft Lift (in): .480 int / .483 exh
Camshaft Duration (@.050 in): 204° intake / 209° exhaust
Cylinder Heads:Iron oval port; 118cc chambers
Valve Size (in):2.07 intake / 1.73 exhaust
Compression Ratio:8.75:1
Rocker Arms:Stamped steel
Rocker Arm Ratio:1.7:1
Flexplate:14"
Recommended Fuel:Regular pump
Ignition Timing:34° Total at 4,000 rpm
Maximum Recommended rpm: 5,500
Balanced:External

Requires the addition of carburetor, intake manifold, water pump, fuel pump, starter, distributor and ignition system (not included)
Clutch linkage bosses are now drilled and tapped. When using cast-iron exhaust manifolds, lower head bolts may need to be replaced with bolts with shorter heads, for clearance
502 engines now have a mechanical fuel pump boss! NOTE: There is NO fuel pump lobe behind the boss.
Comes with an externally balanced 14" automatic transmission flexplate. Use externally balanced flywheel P/N 14096987 and 11" clutch assembly for manual transmission applications
Designed for pre-1976 street vehicles or any off-road vehicle
Not intended for marine applications


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