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| This head was designed to allow owners of Gen III ls engines to benefit from the much-improved stock LS3 intakes. |
| This head really thrives when paired with a stroker combination like a LS1 383! |
| •Easy bolt on to convert your GM Gen III to GM Gen IV head technology |
| •Perfect for LS1, LS2 and LS6 engines and short-blocks |
| •Accepts LS3/L92 valve springs, rocker arms, and intake manifolds |
| •Outflows any aftermarket cathedral cylinder head on the market |
| •Uses a 2.080" intake valve and 1.60" exhaust valve |
| •11 Degree Valve angle |
| •Has a 250cc intake port |
| •Has a 61cc combustion chamber standard |
| •6 Bolt Standard |
| •Has a deck thickness of .750" |
| Bore size 3.90" |
| SPRING: PAC Racing 1204x 0.700" lift for naturally intake |
| PAC Racing 1207x0.750" lift for force intake/factory rockers |
| Intake Valves: 2.08x 5.45" |
| Exhaust Valves:1.60x5.45" |
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