LS 243 CYLINDER HEADS GM LS1 LS2 CATHEDRAL PORT - PAIR (2 Heads)
HIGH PERFORMANCE CYLINDER HEADS
or 4 payments of $295.90 with InfoIn Stock
LS1 LS2 CATHEDRAL PORT - 243 CYLINDER HEADS
Suit the 5.7ltr and 6.0ltr
These Cylinder heads are a High Performance replacement to the GM 243 heads. All factory mounting points with the Performance of the 243 port and chamber. Machined - ready for assembly. You can use your existing valves & springs.
This sale is for a Pair of Bare Heads.
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: 212cc
- Exhaust Port: 76cc
- Combustion Chamber: 66cc
- *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)
- Installed Heights:
- Factory Valve 4.890" will give 1.750" Installed Height with Titanium/060 locator.
- Factory Valve 4.890" will give 1.770" Insalled Height with Steel Retainer/060 locator
- Single or Dual spring set up.
- Use your existing factory valves.
- We can supply after market Stainless Steel valves.
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