Discontinued
ZZ572/620 Partial Engine
Want to build your own ZZ572, but don’t know where to start? Try the ZZ572 partial engine – all of the good bottom end components you need to get going! It comes with the forged crankshaft, rods, and pistons installed in the special orange powdercoated 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. Don’t forget to order the special “572 CHEVROLET” cast aluminum valve covers.
Possible Applications
- The ultimate hot rod starting point
Pump gas drag racing—just add spray
- Wake up the neighborhood—anytime!
- Only install if you want to be the biggest dog on the porch
*Applications have not been validated. They are merely suggestions of how you might enjoy your GM Performance Parts crate engine. Some applications may affect engine warranty. See specific warranty information. Some applications may not be emission legal; check state and local ordinances.
| ZZ572/620 TECH SPECS: |
|---|
| Part Number: |
12499190 |
| Engine type: | Chevy big-block V-8 |
| Displacement (cu in): | 572 |
| Bore x stroke (in): | 4.560 x 4.375 |
| Block (P/N 25534368): | Cast iron with 4-bolt main caps |
| Crankshaft (P/N 88961554): | Forged steel |
| Connecting rods (P/N 88962926): | Forged steel, shot peened |
| Pistons (P/N 88962925): | Forged aluminum |
| Maximum rpm: | 6000 |
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Part #: 12499190
Installation Notes
- Clutch linkage boss is cast and machined in block, but must be drilled and tapped. When using cast iron exhaust manifolds, lower head bolts may need to be replaced with bolts with shorter heads, for clearance.
- Requires additional parts (not included).
- Gen VI tall-deck block has machined mechanical fuel pump boss
- Comes with a 14" automatic transmission flexplate. Requires internally balanced flywheel for manual transmission applications.
- Intended for pre-1977 street vehicles or all off-road vehicles.
- Not intended for marine applications.
- You do have a strong transmission and rear axle, don’t you?
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