Sti Forged Pistons And Rods

Proprietary forging made in the usa.

Sti forged pistons and rods.

Rallysport direct carries a huge catalog of pistons of several bore sizes several compression configurations and pistons that are forged and can sustain large amounts of boost. For comparison forged pistons for the ej257 typically weigh in the 370 400 gram range depending on bore size and design. Packaging is improved to industry standards and a detailed data card included. 2002 2007 subaru impreza wrx sti non avcs cam gear bolt 02 07.

Manley 14024 1 single connecting rod h beam for subaru wrx ej20 sti ej25. Rallysport direct also carries a great selection of sleeves from the ever popular darton company. Nippon racing fits subaru jdm sti wrx ej255 ej257 pistons scat forged rod 99 50m. Type ra con rod differences.

Je s subaru pistons utilize thickened ring lands to support higher boost and include a plethora of other performance features. Finally performance piston rings are thinner than their factory counterparts reducing friction without affecting sealing and lubrication. The type ra rods are identical to the gr sti s rods as far as my eyes tell me. The subbie has been sitting for a bit too long.

With a legacy of wins in rally drag road racing and more subaru s rich motorsports history and sky high power potential requires a robust and precision piston to get the job done. The wrist pins weighed the same for both motors. Cosworth forged connecting rods are manufactured from high strength 4340 steel and machined to precise tolerances.