350 / ZZ4 4-Bolt Main GM Performance Parts Short Block Engine Assembly
ENG,PARTL
Part #
12561723
Price: $2,390.00
Quantity:
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Want to build your own engine? Build it to your satisfaction using the durable, dependable ZZ4 short block. The 4 bolt main block is stuffed with a forged steel crankshaft, flat top pistons and PM rods. Cam, lifters, timing set and oil pump are not included.
Block: Cast Iron, 4 bolt
Compression Ratio: 8.8:1 w / 76cc heads
Compression Ratio: 9.6:1 w / 64cc heads
Crankshaft: Forged Steel
Piston Description: Hypereutectic, Flat Top, 4 Valve Relief
Rear Main Seal Type: 1 piece
Stroke (in.): 3.480


Average Customer Review:


    zz4 the way to go,  June 13, 2008
i own 2 of these engines,best thing i ever did was buy them. they both are in race cars,s-10 and a dragster.with a little tuning s-10 runs 10.90 120mph. dragster 9.90 134mph darn good engines.best money i ever spent well worth it.


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