Porsche 911 / 964 Engine Billet Camshaft Set GRIND # 171e / 149i (ENG 05 312)

Client Must Specify End Drive Requirements (Power Steering / Scavenge Pump / Both)Engine Camshaft Set - GRIND # 171e / 149i - New Billet - Special Racing Profile For Large Displacement Racing Engines - (1965 - 1994) Porsche 911 / 930 / 964 - SOHC 12V - Web Cam USA - Sold As A Set - 1 Per Car - NOTE: Not For CIS - No Valve Clearance With Original Pistons. (In Between Ge 60 - Ge 80) Valve Lift: 0.496 / 0.450 Duration: 294 / 284 Degree Duration @ 0.050 : 274 / 264 Degree NOTE: Must Specify 47mm Or 49mm OD Journals / Must Specify 3 Or 4 Bearing / Must Specify End Drive Requirements (Power-Steering / Scavenge / Both)Order Notes: Alternate Part Numbers: ENG 05 312 / 05-312 / 05.312 / 05312