SDPC Announces GMPP's New CNC L92 Assemblies!!
#1
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That's right folks! You heard it here first! We've already received a big truck load of GM's new CNC'd L92 heads! Of course, we're offering several different head setups to suit your needs! First, a little bit more about these heads (including flow numbers and pricing)!!!
Specifications
Casting Number 12595364 or 12582716
Valve Angle 15-degree
Combustion Chamber 70cc*
Intake Port Volume 279cc*
Exhaust port Volume 99cc*
Minimum Cylinder Bore 4.000”
* Approximate, Numbers are within +/- 2cc’s
Milling Information for Combustion Chamber Sizing
For 65-cc Chamber Remove 0.030”
Part Numbers & Pricing
SD8699 - $998.98 per pair
-Stock LS1 springs good to .500" lift, stock locks and retainers, 2.165”/1.590” L92 Valves
SD8760 - $1189.95 per pair
-Same as above but with SDL1600VS springs good to .600" lift, stock locks and retainers
SD8765 - $1299.95 per pair
-Same as the first but with SDL1650VS springs good to .650" lift and titanium retainers
SD8800 - $1499.95 per pair
-Same as SD8765 but with Manley Stainless valves
Flow Chart
Flowed @ 28” H20 on a 4.155” Bore
Lift------Intake (cfm)-----Exhaust (cfm)
0.100----69----------------46
0.200----154---------------100
0.300----222---------------136
0.400----266---------------166
0.500----309---------------189
0.600----345---------------202
0.700----358---------------209
Specifications
Casting Number 12595364 or 12582716
Valve Angle 15-degree
Combustion Chamber 70cc*
Intake Port Volume 279cc*
Exhaust port Volume 99cc*
Minimum Cylinder Bore 4.000”
* Approximate, Numbers are within +/- 2cc’s
Milling Information for Combustion Chamber Sizing
- Approximately 0.006” per 1-cc
For 65-cc Chamber Remove 0.030”
Part Numbers & Pricing
SD8699 - $998.98 per pair
-Stock LS1 springs good to .500" lift, stock locks and retainers, 2.165”/1.590” L92 Valves
SD8760 - $1189.95 per pair
-Same as above but with SDL1600VS springs good to .600" lift, stock locks and retainers
SD8765 - $1299.95 per pair
-Same as the first but with SDL1650VS springs good to .650" lift and titanium retainers
SD8800 - $1499.95 per pair
-Same as SD8765 but with Manley Stainless valves
Flow Chart
Flowed @ 28” H20 on a 4.155” Bore
Lift------Intake (cfm)-----Exhaust (cfm)
0.100----69----------------46
0.200----154---------------100
0.300----222---------------136
0.400----266---------------166
0.500----309---------------189
0.600----345---------------202
0.700----358---------------209
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800-456-0211 / PM / Facebook
WHIPPLE Superchargers, Procharger, Magnuson, Powerbond Sale, HPTuners packages!, Trickflow, AFR, PRC, CHE Trunion upgrade, $100 7.400" pushrod set, Custom Cam of your choice
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800-456-0211 / PM / Facebook
WHIPPLE Superchargers, Procharger, Magnuson, Powerbond Sale, HPTuners packages!, Trickflow, AFR, PRC, CHE Trunion upgrade, $100 7.400" pushrod set, Custom Cam of your choice
#2
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__________________
![](https://ls1tech.com/forums/signaturepics/sigpic3451_2.gif)
800-456-0211 / PM / Facebook
WHIPPLE Superchargers, Procharger, Magnuson, Powerbond Sale, HPTuners packages!, Trickflow, AFR, PRC, CHE Trunion upgrade, $100 7.400" pushrod set, Custom Cam of your choice
![](https://ls1tech.com/forums/signaturepics/sigpic3451_2.gif)
800-456-0211 / PM / Facebook
WHIPPLE Superchargers, Procharger, Magnuson, Powerbond Sale, HPTuners packages!, Trickflow, AFR, PRC, CHE Trunion upgrade, $100 7.400" pushrod set, Custom Cam of your choice