12010-P8612 PISTON, W/PIN / flat-top-euro-bump-top-piston-std-86mm (1) Require Quantity 6 Package Quantity 1 Part Fitment (1) ------------------------------------------------------------------------------------------------------------------------------------------------------------------ Make Model Year Trim Engine Important vehicle option details ------------------------------------------------------------------------------------------------------------------------------------------------------------------ Nissan 280ZX 09.1981 - ... 6 Cyl 2.8L L28E ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 1) https://nissan-europe.epc-data.com/280zx/s130/2645-l28e/engine_mechanical/120/12010/ 2) N/A 3) http://datnissparts.com/280zx-s130-l28-flat-top-euro-bump-top-piston-std-86mm-12010-p8612-set-of-6/ ___________________________________________________________________________________________________________________________________________________________________ The vehicle options this part fits: (1) No FIT information available from USA Parts Book ___________________________________________________________________________________________________________________________________________________________________ Additional Information (3) 280ZX S130 L28 Flat Top Euro Bump Top Piston STD 86MM 12010-P8612 Set Of 6 PRODUCT DESCRIPTION: SET OF 6 (SIX) Non-USA bump-top pistons for the L28 L28E engines These were only available in the U.S. from Nissan Motorsports, but were OE on some models of the European 280ZX's Size is 86mm, which is STD for the L28, but they can be used in many other L-series engines with the proper calculations and machine work The bump on top displaces approximately 2 cc's, and can be machined off to make them totally flat on top by any competent automotive machine shop Pin height is the same as all other L engines, 38.1mm The rings are NLA, but we have some HERE For reference, the OE piston ring p/n's are 12033-P8610 or 12033-P7900 or 12033-P7910 ___________________________________________________________________________________________________________________________________________________________________