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The maximum in cam lobe and lifter life
Reduced leakage inductance cuts losses and improves energy transfer to the spark plug
4GP218-038YSi
125 intake valve
580 EXHAUST 104 158 210 235 246 252
PROCOMP LS1 CNC PORTED MOTOR SPORT ALUMINIUM CYLINDER HEADS The maximum in cam lobeCALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. PC3017 64 PCE281. 1460 292035293984 NEW ALUMINUM BARE Pro Comp Motorsport Aluminum Cylinder heads Bronze Valve Guides 64cc Chambers 225 cc Intake Runners Machined for 2. 02 Intake Valves Machined for 1. 55 Exhaust Valves 81cc Exhaust Flow approximately 291. 5 CFM intake and 203. 3 exhaust @ . 600 CHECK OUT OUR EBAY STORE FOR OTHER CYLINDER HEADS AND ROCKERS Made in China. Small variations from picture
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