RPCS4400 2 st Small Block Chevy Bare Aluminum Cylinder Head – Straight plug style Intake Runner: 205cc, Combustion Chamber: 64cc

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Our high flowing “As-Cast” cylinder heads are made out of high quality AC4B aluminum alloy and feature a street performance 3-angle valve job, bronze valve guides and ductile iron valve seats.

XS205 – SBC

Small Block Chevy Bare Aluminum Cylinder Head – Straight plug style
Intake Runner: 205cc, Combustion Chamber: 64cc, Intake Valve: 2.020″
Exhaust Valve: 1.600″.
RPC R4400.
FLOW@28" WATER
INSUG .500" 260
INSUG .600" 265 (PEAK 265)
AVGAS .500" 180
AVGAS .600" 185 (PEAK 193)