100-102mm Stepped Ni-Resist Ring Set For Porsche 964 / 993 (ENG NI RESIST 964 993 PMS)
Ni-Resist Ring Set - 100-102mm Stepped Bore - CNC Machined Billet Stainless Steel1989-1998 Porsche 964 / 993 3.6L Engines and 3.8L ConversionsPatrick Motorsports USA - Sold As A Set of 6pcs - 1 Set Per EngineMachining Data (Download Link)Use For All Larger Bore - High Compression Performance Engines Requiring High Integrity - Interlocking Seal Between The Cylinders And Heads.Fashioned After Porsche Motorsport / RSR / Flame Ring - Le Mans Ring And 935 Head Rings.* Application Requires Machined Grooves In The Cylinders And Heads. - Patrick Motorsports Engine Machine Shop Services Available.Alternate Part Numbers: ENG NI RESIST 964 993 PMS / ENG-NI-RESIST-964-993-PMS / ENG.NI.RESIST.964.994.PMS / ENGNIRESIST964993PMS / NIRESIST LARGE BORE RING SET IN STOCK READY TO SHIP