R53 Wiseco Piston Kit w/ rings Size:77.5mm also shared with the 135i

also shared with the 135i 6 piston calipers

Get a pair and make your car drive just that much better

* Rust-free stainless steel design

They also fit the L98 found in 2014-2018 GM truck

For the Z4 M coupe please order a set for the E46 they are the same fitment

R53 Wiseco Piston Kit w/ rings Size:77.5mm also shared with the 135iWisecos Sport Compact Pro Tru line creates the best value in forged pistons today. These American made pistons are forged and machined by skilled Ohio craftsmen with state of the art forging presses and CNC machines. By using dedicated forgings specific to the final piston shape, Pro Tru pistons are stronger and lighter than industry standards. Pro Tru sets include plasma moly 1 16, 1 16, 3 16 pre gapped ring packages which provide excellent seal,