Wiseco MAZDA MIATA 1.8L 4v 10.5:1 83.5MM Piston Shelf Stock Kit 2025-toyota-gr86-esi8177754 25 x 45mm Broached 4

25 x 45mm Broached 4 Piece Stud Kit

or Q5 with an IE high-flow downpipe system

Utilizes OEM E-brake by integrating iron sleeve into aluminum hat

accommodating engine movement and thermal expansion

Requires custom fuel setup

Wiseco MAZDA MIATA 1.8L 4v 10.5:1 83.5MM Piston Shelf Stock Kit 2025-toyota-gr86-esi8177754 25 x 45mm Broached 4Professional Series forged racing pistons from Wiseco are no expense spared pistons designed for the serious racers and builders. Packed full of custom level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco? s Professional Series. This Part Fits: Year Make Model Submodel 1999 Mazda Miata 10th Anniversary