Mahle Motorsports 3.6L To 3.8L Conversion Piston And Cylinder Set For1989-1994 Porsche 964 C2 / C4Features: 12.6:1 Compression @ 1mm Deck Height - 102mm Bore - 109mm Sleeve - Requires Machine-In Fit to Engine CaseMahle Motorsports - Sold As A Set (6pcs) - 1 Set Per Engine Checkout projects featuring the productShow off your engine conversion with our badge This Set Includes: (Qty 6x) Piston # PP102-011 (Qty 6x) Cylinder # PC102-001 (Qty 6x) Wrist Pins (Qty 12x) Pin Circlips (Qty 6x) Piston Ring Sets Additional Notes: The Arrow Mark On The Piston Crown Must Point Towards The Flywheel During Engine Assembly. For Naturally Aspirated Engines (NOT-Turbo) Patrick Motorsports Is A Mahle Master Distributor - And We Install What We Sell! Please Contact Us For Your Particular Needs. (602) 244-0911 [email protected] Part Number: PS102-003Alternate Part Numbers: ENG PS102 018 / PS102-018 / PS102.018 / PS102018 / PS102 003 / PS102-003 / PS102.003 / PS102003