Supertech 15.50mm Max Lift Dual Valve Spring Kit | Multiple Nissan Fitments (SPRK-H1021D-SR20)

Nissan SR20DE/SR20DET Dual Valve Spring Kit by Supertech

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.

Features

• Seat Pressure: 106 @ 40.5
• Open Pressure: 238 @ 10.0
• Max Lift: 15.50mm
• Coil Bind: 25.00mm
• InnSpr.ID: 15.50mm
• Rate: 13.2
• Kit spring: SPR-H1021D
• Retainer: RET-NSR20/T1
• InnSpr.OD: 21.30mm
• OutSpr.OD: 30.00mm
• OutSpr.ID: 21.80mm
• Seat Locator: SEAT-H/N240

Benefits

• Underwent a gas nitriding process before shot peening for improved fatigue life

Applications

• 1991-1997 Nissan 180SX
• 1993-1999 Nissan 200SX
• 1989-1995 Nissan Bluebird
• 1990-1994 Nissan Pulsar
• 1991-2002 Nissan Silvia

What's In The Box?

• 16 - Springs
• Retainers
• Seat Locators

Warranty

• Due to the nature of the application, these parts are sold without any express warranty or any implied warranty of merchantability, or fitness for a particular purpose.