Manley Nissan SR20DE/SR20DET Valve Spring and Retainer Kit (w/o Valve Locks)
Manley Performance Valve spring and Retainer Kits take the guess work out of making your valvetrain race-ready. Engineered for maximum durability, stability, and precision in high-performance and racing applications, these chrome-silicon alloy springs provide exceptional fatigue resistance and high-tensile strength, ensuring consistent valve control at extreme RPMs. Save time and money with these kits, featuring premium springs, retainers, designed to handle aggressive aftermarket camshafts.
- Includes matched Valve Springs, Retainers, and Locks (if part number ends in "K"). Spring Locators included in some applications.
- Includes 7 Machined Valve Locks manufactured from the premium quality heat treated steel
- Heat treated aerospace grade titanium retainers CNC machined to exacting tolerances
- Designed to handle aftermarket camshafts and up to 10,000 RPM
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1991-1996,1999-2002 | INFINITI | G20 | Base |
| 1994-1996,1999-2002 | INFINITI | G20 | T |
| 1995-1998 | Nissan | 200SX | SE-R |
| 1991-1993,1995-1998 | Nissan | 240SX | Base |
| 1991-1992,1997-1998 | Nissan | 240SX | LE |
| 1989-1998 | Nissan | 240SX | SE |
| 1989-1990 | Nissan | 240SX | XE |
| 1991-1993 | Nissan | NX | SE |
| 1991-1993 | Nissan | NX | XE |
| 1991-1994 | Nissan | Sentra | SE-R |
Processing & Shipping Overview
Processing occurs before shipping.
Most in-stock items typically process within 2–3 business days before shipment or pickup. Expedited shipping options affect transit time after an order ships and do not speed up processing.
Made-to-order, special-order, vendor drop-ship, and freight items require additional processing time before shipping. Any extended lead times will be noted on the product page when applicable.
For the most up-to-date order status or lead time questions, please contact sales@smgspeed.com or use live chat during business hours.