Description
CNC Ported LS2 - 243 CYLINDER HEADS - Flows 632HP @ .600" lift camshaft!
Suits the 5.7ltr and 6.0ltr LS1 & LS2.
LS1 LS2 CATHEDRAL PORT
These High Performance LS1 LS2 243 Cylinder heads are a CNC version of the High Performance replacement to the GM 243 heads. All factory mounting points with the Performance of a 243 port and chamber. Machined - ready for assembly. You can use your factory valves & springs.
This sale is for a Pair of Bare Heads.
CNC Ported - 2 Heads included in sale.
- Factory Valve Guides 0.500" OD x 8mm stem. - see photo of checking tolerance.
- Hard 355-T6 Aluminium - Race Quality.
- 3 Angle Valve Seats - machined - ready for assembly
- Deck thickness: 0.360"
- Intake Valve size: 2.00" factory size*
- Exhaust Valve size: 1.55" factory size*
- Intake Port: 241cc
- Exhaust Port: 84cc
- Combustion Chamber: 66cc - NOT CNC - As Cast Chamber.
- *Note: Seats can accept the common aftermarket sizes of 2.02" intake and 1.570" (use Comp Cams part#: 6039-8 intake and 6048-8 Exhaust)
Flow Figures: Lift 0.xxx" and flow in CFM note:
Flow Figures: Taken at 28"hg on a 4.000" Bore
HP figures are "Potential" based on Flow/Velocity calculations*
Lift Intake Exhaust
100 67 66
200 144 107
300 209 136
400 253 154
450 273 162 560hp
500 295 169 607hp
550 305 175 626hp
600 307 182 632hp
650 309 186 636hp
Exceptional Quality for a Wow factor of a price!
We can supply assembled using:
- Single or Dual Valve Springs
- Use your existing factory valves
- Supply Stainless Steel Valves
Specifications
SKU | DRP-LS243CNC |
Brand | DRP |
Unit Of Measure | ea |
Warranty | 1 Year |
Bundle Description | PAIR |
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