Forged Pistons Wossner BMW M3 3.2L Turbo 87MM 8.70:1 Buick Outlet diameter (external) - 78mm

Outlet diameter (external) - 78mm

20mm adapters

F R D-AL-12

The last difference is the price - metal is usually more expensive

Forged Pistons Wossner BMW M3 3.2L Turbo 87MM 8.70:1 Buick Outlet diameter (external) - 78mmWossner pistons are made from dedicated forgings produced in house to give you a light weight piston with superior strength and optimal design. Being the multivalve piston technology leader, the line features specially designed valve pockets, complex dome and crown shapes, the steel nitride napier xx rings and optimized skirt profiles. Most OEM pistons have pin offset to keep the piston quiet. Only Wiseco does this with forged pistons. Complete with