Kelford Cams Dual Valve Springs & Titanium Retainers Subaru WRX 2015-2026 | KVS87-DT needscustom5 (2) Spacers for BRZ/FR-S

(2) Spacers for BRZ/FR-S

15+ Subaru WRX

Bar rates compared to 350Z and 03- 05 G35 Front: Hole 1 = 1525 lbs/in (22% Stiffer than stock) Hole 2 = 1845 lbs/in (48% Stiffer than stock) Hole 3 = 2270 lbs/in (82% Stiffer than stock) Hole 4 = 2855 lbs/in (129% Stiffer than stock) Rear: Hole 1 = 520 lbs/in (80% Stiffer than stock) Hole 2 = 655 lbs/in (125% Stiffer than stock) Hole 3 = 840 lbs/in (185% Stiffer than stock)

and performance of your Honda Civic Type R with the Supreme SP Cat-Back Exhaust from GReddy

Kelford Cams Dual Valve Springs & Titanium Retainers Subaru WRX 2015-2026 | KVS87-DT needscustom5 (2) Spacers for BRZ/FR-SProduct Fitment: 2015 2026 Subaru WRX Subaru WRX 2015+ dual spring and titanium retainer kit is to suit turbocharged FA20 engines. This spring kit can be used for engines running to 9750RPM and 50PSI boost! High frequency dual spring design to reduce spring surge at high operating RPM. Made with the highest quality Japanese spring steel and wound in the USA by PAC Racing who are world leaders in racing valve spring design and manufacture. Made with