Billet Aluminum Intermediate Plate for all 901 / 911 / 914 transmission housings1969-1971 Porsche 901 / 9111970-1976 Porsche 914A reinforced, lightweight suitable replacement to the factory original equipment's cast magnesium unit. Designed and Manufactured in-house with our state-of-the-art HAAS CNC Mill & Lathe.Patrick Motorsports USA - Sold each - 1 per carThe factory cast magnesium intermediate plate is known to be problematic. the original units tend to crack over time, have loose or out of round bearing bores, and/or they may have worn out shift shaft provisions. Our part is perfect for street / race / higher horsepower / V8 applications - Where the additional strength is really needed! Precision machined in-house from aircraft grade billet aluminum to exacting standards for perfect fit and function. New silicon bronze oilite shift rail bushings Input shaft bearing oiler Optimized lightweight billet aluminum at only 3.90 lbs Also available as a service package see part Numbers: TRA 911 301 221 00 PKG Alternate Part Numbers:TRA 911 301 221 00 PMS / TRA 911 301 221 00 PMP / 911-301-221-00 / 911.301.221.00 / 91130122100 / TRA.911.301.221.00.PMS / TRA.911.301.221.00.PMP TRA91130122100PMS / TRA91130122100PMP /