L92 Heads
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PostPosted: Wed Jan 17, 2007 3:55 pm    Post subject: L92 Heads Reply with quote

If you’re looking for increased power on a budget, we’ve got you covered! We have L92 heads with upgraded springs in stock. These heads are awesome straight out of the box. Check out the flow numbers reported in the Feb 07 issue of GM High-Tech:

Code:
Lift       Intake Flow    Exhaust Flow
(inches)       (CFM)       (CFM)
0.100       79.2       57
0.200       153       114
0.300       225       147
0.400       276       170
0.500       309       183
0.550       323       186
0.600       332       189
0.650       327       191
0.700       330       192
0.750       317       195
0.800       317       195


The L92 head is on the left:



In the GM High-Tech article, they achieved 546HP (flywheel) and 494.9TQ (flywheel) on stock LS2 shortblock with a cam (Livernois Stage II 232/236 .600/.600 112) and headers.




These heads do need at least a 4” bore.

You can purchase just the heads

SD2713A - $499.97 each with Comp 918's good to .600"
SD2713B - $549.97 each with Manley 1426 springs good to .650", titanium retainers, and hardend locks

Or a complete kit with the manifold

KITSD2713AL76 - stock L92 Heads with upgraded springs (your choice) including stock rocker arms, stands, and bolts plus an L76 Intake Manifold (Complete L76 Intake manifold, injectors, fuel rails, TB)
- with A heads (.600" lift) $1749.95
- with B heads (.650" lift) $1799.95
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