TSP PRC 237cc CNC Ported Cathedral Cylinder Heads PAIR w/ TSP .660" Spring Kit and Titanium Retainers
Precision Race Components all new cylinder head castings completed with 237cc runners. For 370 cubic inch and larger applications with 4.00"+ bore sizing.
The all new 237cc cylinder head is finally available for customers looking for the pinnacle of LS cathedral port performance. The new 237cc port has been flow bench tested to flow over 330cfm & can support everything from smaller camshaft street engines all the way to all our race engines. This cylinder head is a combination of a max effort high flowing port combined.
MADE IN THE USA!!
CAST IN THE USA!!
MACHINED IN THE USA!!
Features:
- 237cc Fully CNC Ported Intake Runners
- 84cc Fully CNC Ported Exhaust Runners
- 3/4" Deck Thickness
- Will accept up to 1/2" Cylinder Head Hardware
- TSP .660 Spring Kit w/ PAC Valve Springs & Titanium Retainers
- 68cc CNC Machined Chambers
- CHE Bronze Guides
- 2.100" Hollow Stem Intake Valve / 1.600" Stainless Exhaust Valves
- Factory Rocker Friendly!!
- Minimum Bore Dia: 4.000"
| 237cc CNC Ported Flow Data (4.030" Flow Plate - No Exhaust Pipe): |
| Lift |
Intake Flow
|
Exhaust Flow
|
| .100" |
66 cfm
|
57 cfm
|
| .200" |
147 cfm
|
117 cfm
|
| .300" |
225 cfm
|
170 cfm
|
| .400" |
284 cfm
|
206 cfm |
| .500" |
325 cfm |
227 cfm |
| .600" |
334 cfm |
235 cfm |
| .650" |
339 cfm |
241 cfm |
