JE Pistons Piston Single, 2618, Dome, 3.937 Bore, 1.290 CD, 0.905, Pin Dia, Set of 1. - 353305S
Porsche air-cooled pistons are machined from forged 2618 alloy for exceptional strength and feature precision CNC machining. They are designed with increased performance in mind and feature valve pockets that accommodate high-lift cams, and multiple available compression ratios.
Quantity Per - Set of 1.
Bore (in) - 3.937
Bore (mm) - 100
Piston Material - 2618
Pin Part Number - 905-2500-15-52C
Pin Included(Yes/No) - Yes
Pin Diameter (mm) - 23
Pin Diameter (IN) - 0.905
Ringset Part Number - JG1001-3937
Ringset Included(Yes/No) - Yes
Retainer Lock Part Number - 905-073-MW
Lock Included(Yes/No) - Yes
Oil Rail Support Part Number (If Required) -
Oil Rail Support Included (Yes/No) - No
Left or Symmetrical Head Gasket -
Right Head Gasket -
Lethal Performance is proud to offer the entire line of JE Pistons products!
Since 1912, JE Pistons has continued to evolve their manufacturing processes, currently offering racing pistons either off the shelf or fully custom. JE pistons are all designed, forged, and machined in-house, allowing control over every step of the piston-making process. JE’s 7+ decades of experience in high-level racing has led to offering premium racing features, including full billet construction, EN plating, and purpose-designed coatings, to name a few.