with internal solid state throttle disconnect relays

75 mm Stroke

the technology of the 24-hour race winner

there are 3 fill valves integrated to the bottom of the surge tank

This results in quiet operation

BMW N54 Piston Set by Arias F90000274 with internal solid state throttleArias Forged Pistons for BMW N54 84. 5mm Bore, 9. 5: 1 Compression Mixing Power & Affordability Arias Pistons, backed by 55 years of high performance piston engineering experience, now offers a piston set for the BMW N54 platform. Manufactured from Arias forgings in the CP Carrillo facility in California, USA, these 84. 5mm bore, 9. 5: 1 compression forged pistons offer race proven durability and precision machining at a competitive price. Arias