Ferrea Dual Valve Spring 105lbs - Honda K20A2/3, K20Z1, K20Z3, K24A2 - Set of 16 - S10100 Subaru BRZ This improves both acceleration response

This improves both acceleration response time and performance

For manual transmission chassis

2020:Infiniti:QX50:Pure

Requires COBB CAN Gateway + Harness and Braket Kit for install

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

Ferrea Dual Valve Spring 105lbs - Honda K20A2/3, K20Z1, K20Z3, K24A2 - Set of 16 - S10100 Subaru BRZ This improves both acceleration responseThe 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)