PRC As-Cast 225cc LS1/LS2 Cathedral Heads – Big Chamber with Upgraded Valves

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!

• 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″ Stainless Hollow Stem Intake Valves / 1.600″ Stainless Hollow Stem 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.

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