Ferrea Dual Valve Spring 105lbs - Honda K20A2/3, K20Z1, K20Z3, K24A2 - Set of 16 - S10100 Subaru BRZ the PT6266 CEA® offers a

the PT6266 CEA® offers a unique combination of Competition Engineered Aerodynamics (CEA®) with both hot and cold sides

Requires COBB CAN Gateway + Harness and Braket Kit for install

33-percent lighter

you can use either a regular filter or our V-Stack option

This improves both acceleration response time and performance

Ferrea Dual Valve Spring 105lbs - Honda K20A2/3, K20Z1, K20Z3, K24A2 - Set of 16 - S10100 Subaru BRZ the PT6266 CEA® offers aThe design and processes on these dual valve springs are optimized to reduce valvetrain harmonics and provide greater stability on high horsepower applications. We use high grade premium super clean PAC alloy materials and maintain tight tolerances for those unique aftermarket cylinder heads. 2. 0L DOHC V TEC 16 Valve (K20), This Spring requires Ferrea Titanium Retainer # E11066 and Ferrea Spring Seat Locator # SL1053 (Discard OEM Spring Seat Locator)