AA Performance Main Bearings for Porsche 356/912 AMC 1 Big Bore Piston Set

1 Big Bore Piston Set

These are 4340 forged Chromoly steel with high strength 3/8" Rod Bolts

It fits Pre A Porsches 1948-55 with the early 2 piece Case

Compression Height:41

AA Performance Main Bearings for Porsche 356/912 AMC 1 Big Bore Piston SetThis is a brand new Set of: AA Performance Main Bearings for Porsche 356C 912 available in most common Porsche sizes, Some sizes also available with plus 1mm Thrust to make it easier to save an old case with a wore out trust Engine: Porsche 356C and 912 Sizes available: in "MM" STD Case STD Crank STD Case 0. 25 Crank STD Case 0. 50 Crank 0. 25 Case STD Crank 0. 25 Case STD Crank Thrust +1mm (+ $40. 00) 0. 25 Case 0. 25 Crank 0. 25 Case 0. 25 Crank