SKU: DRP-LS243CNC

630HP CNC PORTED GM LS1 LS2 CATHEDRAL PORT 243 CNC Ported Cylinder Heads - PAIR (2 Heads) Bare

630HP CNC Ported - Bare - No parts

$2,123.00

SOLD OUT

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. 

Brand New Pair of genuine DETROIT RACING PRODUCTS Cylinder heads. 
Sold as a BARE pair. 
  • 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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