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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
These adjustable rockers are designed to factory specs
305 cc intake port and flows 320 cfm
Bare heads available fully CNC ported with 190cc Intake Ports and 65cc Chambers (flow numbers not yet available)
300 41
DART PRO 1 SBC 180/64CC 2.02/1.6 COMPLETE HEADS #11211111P FREE VALVE COVERS These adjustable rockers are designedCALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. FREE ALUMINUM DART VALVE COVERS! SB Chevy Aluminum Complete Pro 1 Cylinder Heads #11211111P Port Volume: 180cc Chamber Volume: 72cc Spark Plug: Angle Intake Valve: 2. 02 Exhaust Valve: 1. 60 Springs: 1. 250 single springs for flat tappet hydraulic cams up to . 510 lift. Full Platinum treatment utilizing wet flow technology. Independent tests have demonstrated a typical 25 horsepower gain over the