Precision Race Components 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!
Click Here to SEE why we build better heads!
MADE IN THE USA!!
CAST IN THE USA!!
MACHINED IN THE USA!!
-
As-Cast 225cc Intake Runners With CNC Machined Chambers & Valve Guides For Unmatched Flow!
- Large Bore Configurations for customers looking for bigger bores such as stroker or boost applications
- 68cc CNC Machined Chambers
- 2.065" Hollow Stem Intake / 1.600" Stainless Exhaust Valves
- Utilizes Factory LS1 Rocker Arms
-
TSP .660 Dual Spring Kit w/ PAC Valve Springs and Titanium Retainers!
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.
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
|
