Ferrea Civic Type R 17-18 K20C1 Roller Rocker and 75lbs Single Valve Springs Titanium Retainers Kit

Kit Contains :

Single Springs S10166 Qty 16
Titanium Retainers E11142 Qty 16
Seat Locators (IN) SL1154 Qty 8
Seat Locators (EX) SL1153 Qty 8
Valve Locks K10116 Qty 16
Roller Rockers RR1006 (8)

Our springs are heat-treated and stress relieved, which dramatically increases the spring’s life. Our valve springs provide the stability needed for high lift, high rpm racing engines, while minimizing the load loss for today’s aggressive valvetrain combinations.

We currently offer four different types of retainers to choose from: Titanium, Lightweight Tool Steel, Steel and Aluminum Magnesium retainers, all of which are CNC machined to perfection and offer superior strength and stability.

Ferrea takes great pride in offering premium quality Spring Seat Locators. Fully CNC machining in-house from 4140 chromoly alloy for different applications. Each piece is crafted to exact tolerances OD & ID specs and insure flat, parallel spring pad to the bottom surface. Heat treatment consists of a hard Nitrided surface for unmatched toughness and anti-wear characteristics.

Ferrea's optimized Special Aluminum Magnesium Roller Rocker System was designed and developed by Ferrea to replace the factory Steel Rocker Arm System and eliminate the V-TEC Function. Fully CNC machined, we use special high quality 70 Series Aerospace Aluminum-Magnesium Alloy, and heat-treat to provide superior strength.

Can be used with stock or any aftermarket camshafts. Uses center lobe only. To work properly you must disconnect the VTEC function & remove the lost-motion assembly components.

Stock exhaust rocker assembly mass: 270 grams. Stock intake rocker assembly mass: 170 grams. Ferrea rocker assembly mass: 162 grams (40 % less mass than factory exhaust rockers). Stock exhaust rocker fulcrum mass: 122 grams. Stock intake rocker fulcrum mass: 87 grams. Ferrea fulcrum mass: 80 grams.