This engine is supplied with a 4 bolt main block of your choice; seasoned or new, 2 piece or 1 piece rear main seal design. This part number is recommended for street use and premium pump gas with a compression ratio of approximately 9.5:1 with a 64cc cylinder head. Tri Star Performance lets you customize your engine build to what you really want. Start by telling us what block to use. Next, look through the variety of options offered for each performance engine. Add what you want to make it your own.
|Block||Your choice of a new GM 4 bolt main block or seasoned.
Stress relieved 4 bolt main block is completely CNC machined in our state of the art CNC machining center. The block is fully align honed and torque plate honed, then assembled with brass frost plugs and pressure tested.
|Short Block Features||Scat 9000 series cast crankshaft
4340 I-Beam connecting rods
Clevite main and rod bearings
|Camshaft Advertised Duration||Optional|
|Camshaft Duration @ .050"||Optional|
|Additional Parts Included||N/A|
|Options||Contact us for all available options.|
|Warranty||Click here for warranty overview|
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