Supertech Spring / Retainer Kits - RB25DE(T)

Supertech Spring / Retainer kits are precision matched sets for a complete valvetrain overhaul. Developed for the performance enthusiast that wants the best the industry has to offer, Supertech Spring / Retainer kits are second to none in terms of performance, quality and value.

Rate 9.6lbs/mm

Pressure Open: 171lbs@9mm

Max Net Lift 9.9mm

Single Spring

Outer Spring (OD/ID): 27.5mm / 20mm

Pressure Seat: 85lbs@30.6mm

Coil Bind: 20.7mm

Legal only for use in competition vehicles which may never be registered, licensed, and/or used on public streets or highways; and also for use in other exempted vehicles.