| Precision Race Components all new cylinder head castings completed with 220cc runners. For stock cubic inch LS1/LS2 applications requiring a stock valve angle LS cylinder head with extra thick decks comparable to stock piston to valve.
MADE IN THE USA!!
CAST IN THE USA!!
MACHINED IN THE USA!!
Features:
220cc Fully CNC Ported Intake Runners
84cc Fully CNC Ported Exhaust Runners
Designed as a bolt on cylinder head with minimal change to pushrod length
TSP Spring Kit w/ PAC Valve Springs Rated To .660" Lift
64cc CNC Machined Chambers
CHE Bronze Guides
2.045" Intake / 1.600" Stainless Valves
Factory Rocker Friendly!!*
Extra Thick Deck Surfaces For Power Adders
The all new 220cc cylinder head is finally available for customers looking for a bolt on 15 degree LS cathedral cylinder head. Think of this cylinder head as the ultimate 15 degree LS1/LS2 cylinder heads for guys wanting a stronger replacement to the LS1 / LS6 / LS2 factory casting. The perfect head for guys wanting a aftermarket casting that will retain the use of all there existing components.
Flow Data:
4.00" Flow Plate - No Exhaust Pipe
LIFT INTAKE FLOW EXHAUST FLOW
.100" 66 CFM 55 CFM
.200" 144 CFM 113 CFM
.300" 211 CFM 167 CFM
.400" 258 CFM 200 CFM
.500" 297 CFM 217 CFM
.600" 309 CFM 258 CFM
.650" 314 CFM 230 CFM | 
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