Supertech Dual Valve Spring Kit for EJ WRX/STi Select Pressure Seat::64 @ 36.00 (SPRK-TS1015-SU3) "Your factory crank pulley is

"Your factory crank pulley is responsible for transferring energy from your crankshaft to your water pump

5:1 Piston Type: Dish Weight: 383 Grams Ring Set: 46997DT‑4

Seat Locator: SEAT-TS/GTR2 intake

Tomei Adjustable Pulley Cam Gears for the 4G63 1G/2G DSM and Evo 1/2/3 are sold individually or as the pair of gears

These are great to use as a connection point between two tubes in place of a flange and are perfect for providing tension relief within the exhaust system to help mitigate any unnecessary strain on the exhaust during heat expansion and contraction

Supertech Dual Valve Spring Kit for EJ WRX/STi Select Pressure Seat::64 @ 36.00 (SPRK-TS1015-SU3) "Your factory crank pulley isSupertech dual valve spring kits for EJ20 EJ25 Subaru WRX and STi. Includes 16 dual springs, 16 titanium retainers and valve seat locators. There are 4 options for the pressure seat, please do all your research and consult your engine builder if necessary! Vehicle Fitment: 2002 2014 Subaru WRX 2004 2021 Subaru STi Purchase Includes: (16) Dual Valve Springs (16) Titanium Retainers (16) Valve Seats Part Number: Pressure Seat: Details: SPRK TS1015 SU1