PAC 1205X - 1209X RPM PREMIUM SERIES DUAL VALVE SPRINGS EXHAUST PATTERN INTAKE MANIFOLD

EXHAUST PATTERN  INTAKE MANIFOLD

• PS Valve Job: COMPETITION VALVE JOB• Intake Valves: 2

5 Minimum        Roller       4000 - 7500       Oval Track / Drag Race / Pro Street

500      0

100% AMERICAN MADE BY AMERICANS WITH AMERICAN AIRCRAFT CERTIFIED 4340 STEEL

PAC 1205X - 1209X RPM PREMIUM SERIES DUAL VALVE SPRINGS EXHAUST PATTERN INTAKE MANIFOLDCALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. Part# O. D. Large End I. D. Large End O. D. Small End I. D. Small End Installed Height (Valve Closed) Open Valve (Valve Open) Spring Rate Max Coil Bind Max Lift Titanium Retainers Steel Retainers Spring Seats Spring Cups Price PAC 1205X 1. 304 0. 95 No 0. 694 155 @ 1. 800 410 @ 1. 150 392 1. 000 0. 700 PAC R435 PAC R335 PAC S129 N A RPM Series Dual LS Engine Spring $285. 76 PAC 1206X 1. 29 0. 95 No 0.