Short Block ZZ572/720R, 720 HP 572 Drag Race Crate Engine
Part #
12498825
Price: $8,295.00
Quantity:
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Want to build your own ZZ572/720R, but don't know where to start? Try our ZZ572/720R partial engine, all of the great bottom end components you need to get going! It comes with the forged crankshaft, rods, and pistons installed in the special orange powder-coated 572 block.

This partial engine does not include the camshaft, timing chain, camshaft sprocket, oil pan, oil pump, or front cover. Order all the parts to complete the engine from your GM Performance Parts dealer or finish it off with your own custom parts.


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Block Part Number: 25534368
Block Type: Cast iron Sportsman Bowtie with 4-bolt main caps
Bore X Stroke (in.): 4.560 x 4.375
Crankshaft Part Number: 88961554
Crankshaft Type: 4340 Forged steel
Connecting Rod Part Number: 88962926
Connecting Rods Type: Forged steel, shot peened
Piston Part Number: 88963227
Pistons Type: Forged aluminum
Compression Ratio: 12.0:1
Camshaft Part Number: 88962216
Camshaft Type: Mechanical roller
Camshaft Duration (@.050 in): 266 / 274
Camshaft Lift (in.): 0.714 / 0.714

Block: Sportsman Tall Deck Bow Tie
Bore Diameter (in.): 4.560
Camshaft: Not Included
Compression: 12.0:1
Crankshaft: Forged 4340 Steel
Intake Manifold: Not Included
Stroke (in.): 4.375


Average Customer Review:


    B3 Big Block Balls,  March 22, 2007
I turned my 03 sierra 8.1liter 496ci into a 540. The next yr the ZZ572 came out I've been watering at the mouth ever since. Hopefully I'll get my hands on a ZZ572/720R


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