From drag strips to short track and endurance circuits, the Manley NexTek® series is engineered for serious racers. NexTek® springs resist pressure loss and valve-train degradation even in the most demanding race conditions. That means more consistent spring force deep into a run, reduced valve bounce, and improved overall stability for high-RPM performance. Built to outperform and outlast in real-world competition.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1987-1990 | Chevrolet | Camaro | Iroc-Z |
| 1991-1992,1998-2002 | Chevrolet | Camaro | Z28 |
| 1988 | Chevrolet | Corvette | 35th Anniversary Edition |
| 1985-1992,1997-2004 | Chevrolet | Corvette | Base |
| 1986 | Chevrolet | Corvette | Indianapolis 500 Pace Car |
| 1990-1992 | Chevrolet | Corvette | ZR-1 |
| 1987-1988 | Pontiac | Firebird | Base |
| 1989-1992,1998-2002 | Pontiac | Firebird | Formula |
| 1987-1992 | Pontiac | Firebird | Trans Am |
| 1989-1992 | Pontiac | Firebird | Trans Am GTA |
| 2004 | Pontiac | GTO | Base |
- 1985-chevrolet-corvette-base-esi9510278
- 1986-chevrolet-corvette-base-esi7826101
- 1986-chevrolet-corvette-indianapolis-500-pace-car-esi9709214
- 1987-chevrolet-camaro-iroc-z-esi3757274
- 1987-chevrolet-corvette-base-esi7444235
- 1987-pontiac-firebird-base-esi9895218
- 1987-pontiac-firebird-trans-am-esi7701835
- 1988-chevrolet-camaro-iroc-z-esi5258002
- 1988-chevrolet-corvette-35th-anniversary-edition-esi1756424
- 1988-chevrolet-corvette-base-esi3035242
- 1988-pontiac-firebird-base-esi7175813
- 1988-pontiac-firebird-trans-am-esi8039603
- 1989-chevrolet-camaro-iroc-z-esi6287168
- 1989-chevrolet-corvette-base-esi2163349
- 1989-pontiac-firebird-formula-esi3765577
- 1989-pontiac-firebird-trans-am-esi3825396
- 1989-pontiac-firebird-trans-am-gta-esi5002757
- 1990-chevrolet-camaro-iroc-z-esi1620811
- 1990-chevrolet-corvette-base-esi3925831
- 1990-chevrolet-corvette-zr-1-esi1655802
- 1990-pontiac-firebird-formula-esi8417250
- 1990-pontiac-firebird-trans-am-esi4441790
- 1990-pontiac-firebird-trans-am-gta-esi8947209
- 1991-chevrolet-camaro-z28-esi6877245
- 1991-chevrolet-corvette-base-esi5275166
- 1991-chevrolet-corvette-zr-1-esi3913423
- 1991-pontiac-firebird-formula-esi9039218
- 1991-pontiac-firebird-trans-am-esi1818797
- 1991-pontiac-firebird-trans-am-gta-esi4618489
- 1992-chevrolet-camaro-z28-esi8709165
- 1992-chevrolet-corvette-base-esi9149847
- 1992-chevrolet-corvette-zr-1-esi4156788
- 1992-pontiac-firebird-formula-esi3571177
- 1992-pontiac-firebird-trans-am-esi1974593
- 1992-pontiac-firebird-trans-am-gta-esi5304947
- 1997-chevrolet-corvette-base-esi7392114
- 1998-chevrolet-camaro-z28-esi5459975
- 1998-chevrolet-corvette-base-esi1636220
- 1998-pontiac-firebird-formula-esi8978933
- 1999-chevrolet-camaro-z28-esi4639115
- 1999-chevrolet-corvette-base-esi7838754
- 1999-pontiac-firebird-formula-esi9931724
- 2000-chevrolet-camaro-z28-esi1215558
- 2000-chevrolet-corvette-base-esi6234666
- 2000-pontiac-firebird-formula-esi9257306
- 2001-chevrolet-camaro-z28-esi3422121
- 2001-chevrolet-corvette-base-esi9937948
- 2001-pontiac-firebird-formula-esi9329576
- 2002-chevrolet-camaro-z28-esi5749009
- 2002-chevrolet-corvette-base-esi8428899
- 2002-pontiac-firebird-formula-esi9905252
- 2003-chevrolet-corvette-base-esi3322547
- 2004-chevrolet-corvette-base-esi1457819
- 2004-pontiac-gto-base-esi9838985
- Bucket:Chevy
- ClearanceItem:N
- Engine Components>Valve Springs- Retainers
- EPA:N/A
- fits_1987-1990`Chevrolet`Camaro`Iroc-Z~1991-1992`Chevrolet`Camaro`Z28~1998-2002`Chevrolet`Camaro`Z28~1988`Chevrolet`Corvette`35th Anniversary Edition~1985-1992`Chevrolet`Corvette`Base~1997-2004`Chevrolet`Corvette`Base
- fits_1990-1992`Chevrolet`Corvette`ZR-1~1987-1988`Pontiac`Firebird`Base~1989-1992`Pontiac`Firebird`Formula~1998-2002`Pontiac`Firebird`Formula~1987-1992`Pontiac`Firebird`Trans Am~1989-1992`Pontiac`Firebird`Trans Am GTA~2004`Pontiac`GTO`Base
- LTL:N
- MPN:221428-16
- Non-CARB:N
- Prop65:Y
- SpecialOrder:Y