TSP PRC As-Cast 225cc LS1/LS2 Style Cathedral Port Cylinder Heads PAIR w/ TSP .660" Spring Kit and Titanium Retainers
Precision Race Components (PRC) all new as-cast cylinder heads completed with CNC machined chambers & valve guides. For LS1/LS2 applications requiring a high flow aftermarket cylinder head at a unbelievable price!
The all new PRC 225cc As-Cast cylinder heads are finally available for customers looking for the ultimate as-cast cathedral LS heads available. The new PRC as-cast intake port has been flow bench tested to flow over 320cfm & can support everything from smaller camshaft street engines all the way to all out race engines. This cylinder head is a combination of a max-effort, high-flowing port combined with a smaller chamber designed for max power in stock cube applications.
MADE IN THE USA!!
CAST IN THE USA!!
MACHINED IN THE USA!!
Features:
- As-Cast 225cc Intake Runners With CNC Machined Chambers & Valve Guides For Unmatched Flow!
- Small Bore Configurations for extra compression applications while keeping good piston to valve clearance
- 62cc CNC Machined Chambers
- 3/4" Deck Thickness
- Will accept up to 1/2" Cylinder Head Hardware
- 2.065" Hollow Stem Intake Valves / 1.600" Stainless Exhaust Valves
- Utilizes Factory LS1 Rocker Arms
- TSP .660 Dual Spring Kit w/ PAC Valve Springs and Titanium Retainers!
- Minimum Bore Dia 3.820"
As-Cast 225cc Flow Data (4.00" Flow Plate - No Exhaust Pipe):
|
| Lift |
Intake Flow
|
Exhaust Flow
|
| .100" |
68 cfm
|
56 cfm
|
| .200" |
145 cfm
|
113 cfm
|
| .300" |
210 cfm
|
164 cfm
|
| .400" |
257 cfm
|
200 cfm
|
| .500" |
300 cfm
|
214 cfm |
| .600" |
318 cfm |
229 cfm |
| .650" |
321 cfm |
230 cfm |
