Free shipping for most orders over $500

Platinum Racing Products

Radium Engineering

Normally Stocked - Valve Springs- Retainers

Sort by:

286 Products

-20%

BLOX Racing BLOBXPT-10400

BLOX Racing Ti Retainers for B16A - B18C1-5 (1.6L - 1.8L DOHC VTEC) / H22A 2.2L DOHC VTEC

In stock (33)

(0)

Regular price $204.00

Regular price ~~$255.00~~ Sale price $204.00
-20%

BLOX Racing BLOBXPT-10301

BLOX Racing Dual Valve Springs for K20A2-3 Z1-3 (2.0L DOHC i-VTEC) / K24A-3 (2.4L DOHC i-VTEC)

In stock (30)

(0)

Regular price $208.00

Regular price ~~$260.00~~ Sale price $208.00
-20%

BLOX Racing BLOBXPT-10300

BLOX Racing Dual Valve Springs for DOHC VTEC

Backorder - Email for ETA

(0)

Regular price $208.00

Regular price ~~$260.00~~ Sale price $208.00
HKS HKS22999-AN008

HKS Nissan RB26DETT Pro Head Stud Kit

In stock (4)

(0)

Regular price $1,970.00
HKS HKS22001-AN002

HKS 91-00 Infiniti G20 SR20DET Outer Valve Spring Set

Backorder - Email for ETA

(0)

Regular price $301.89
HKS HKS22001-AN001

HKS Upgraded Valve SPG RB26DETT step2

In stock (6)

(0)

Regular price $410.92
-1%

Manley Performance MAN26180

Manley Subaru WRX/STi Valve Spring and Retainer Kit (w/o Valve Locks) (16 each)

In stock (3)

(0)

Regular price $359.13

Regular price ~~$363.33~~ Sale price $359.13
-20%

Supertech SPTSPR-A2416N-16

Supertech Audi/VW TFSI/EA888/EA113 Single Valve Spring - Set of 16

Backorder - Email for ETA

(0)

Regular price $223.77

Regular price ~~$279.63~~ Sale price $223.77
GSC Power Division GSC1005

GSC P-D Valve Seat Set OEM Replacement EJ205/EJ207/EJ257

In stock (16)

(0)

Regular price $37.96
GSC Power Division GSC1004

GSC P-D 4G63T Valve Seat OEM Replacement (Set of 16)

In stock (6)

(0)

Regular price $37.96
-15%

GSC Power Division GSC5013

GSC P-D Ford 5.2L Voodoo/Predator Conical Spring & Ti Retainer Kit

In stock (9)

(0)

Regular price $782.00

Regular price ~~$920.00~~ Sale price $782.00
-20%

Supertech SPTSPRK-BMS63B

Supertech BMW S63 V8 Conical Spring Kit - Rate 83lbs (Ex) 80lbs (In)

In stock (1)

(0)

Regular price $1,368.29

Regular price ~~$1,709.86~~ Sale price $1,368.29
-20%

Supertech SPTSPR-HM1007BE-16

Supertech 02-07 Mini Cooper R53 1.6L Beehive Valve Springs - Set of 16

In stock (1)

(0)

Regular price $235.97

Regular price ~~$294.87~~ Sale price $235.97
-15%

GSC Power Division GSC5024

GSC P-D 2022+ Subaru WRX FA24F High Pressure Conical Valve Spring and Ti Retainer Kit

In stock (1)

(0)

Regular price $498.53

Regular price ~~$584.00~~ Sale price $498.53
-15%

GSC Power Division GSC5021

GSC P-D 2022+ Subaru WRX FA24F Conical Valve Spring and Ti Retainer Kit

Backorder - Email for ETA

(0)

Regular price $498.53

Regular price ~~$584.00~~ Sale price $498.53
-14%

GSC Power Division GSC5017

GSC P-D Toyota G16E Conical Valve Spring and Ti Retainer Kit

In stock (15)

(0)

Regular price $443.19

Regular price ~~$517.00~~ Sale price $443.19
-15%

GSC Power Division GSC5098

GSC P-D Mitsubishi 4G63T High Pressure Conical Valve Spring and Ti Retainer Kit

Backorder - Email for ETA

(0)

Regular price $518.53

Regular price ~~$610.03~~ Sale price $518.53
-15%

GSC Power Division GSC5097

GSC P-D Mitsubishi 4G63T Extreme Pressure Conical Valve Spring and Ti Retainer Kit

In stock (2)

(0)

Regular price $518.53

Regular price ~~$610.03~~ Sale price $518.53
GSC Power Division GSC5025

GSC P-D Audi R8 V10 / Lamborghini Huracan V10 5.2L Valve Spring & Ti Retainer Kit (w/Seats & Seals)

In stock (4)

(0)

Regular price $1,800.00
-20%

Supertech SPTSPR-FCO-BE2-12

Supertech Toyota G16E-GR Intake/Exhaust Beehive Valve Springs - Set of 12

In stock (4)

(0)

Regular price $169.74

Regular price ~~$212.11~~ Sale price $169.74
-15%

GSC Power Division GSC5023

GSC P-D BMW S58 Beehive Valve Spring & Ti Retainer Kit (Max Boost 70PSI)

In stock (10)

(0)

Regular price $595.00

Regular price ~~$700.00~~ Sale price $595.00
Supertech SPTRET-K20A2-T2

Supertech Titanium Retainer for H1000 Series Springs

In stock (5)

(0)

Regular price $30.73
-15%

GSC Power Division GSC5085

GSC P-D Nissan RB26DETT Shimless Conical Valve Spring & Ti Retainer Kit ( Max Boost PSI 50)

In stock (7)

(0)

Regular price $824.80

Regular price ~~$970.35~~ Sale price $824.80
-15%

GSC Power Division GSC5026

GSC P-D Nissan RB26DETT High Pressure Shimless Conical Valve Spring & Ti Retainer Kit (Max PSI 60)

In stock (5)

(0)

Regular price $824.80

Regular price ~~$970.35~~ Sale price $824.80
-15%

GSC Power Division GSC5012

GSC P-D Ford Mustang 5.0L Coyote Gen 3 Conical Valve Spring and Ti Retainer Kit

In stock (6)

(0)

Regular price $782.00

Regular price ~~$920.00~~ Sale price $782.00
-15%

GSC Power Division GSC5011

GSC P-D Ford Mustang 5.0L Coyote Gen 1/2 High Pressure Conical Valve Spring & Ti Retainer Kit

In stock (8)

(0)

Regular price $815.15

Regular price ~~$959.00~~ Sale price $815.15
-15%

GSC Power Division GSC5010

GSC P-D Ford Mustang 5.0L Coyote Gen 1/2 Conical Valve Spring and Titanium Retainer Kit

In stock (9)

(0)

Regular price $765.00

Regular price ~~$900.00~~ Sale price $765.00
-20%

Supertech SPTSPRK-FE20N54-BE-2

Supertech BMW N54 Conical Spring Kit - Rate 7.25lbs/mm

In stock (4)

(0)

Regular price $972.87

Regular price ~~$1,215.74~~ Sale price $972.87
GSC Power Division GSC1084

GSC P-D Toyota 2JZ-GTE / Nissan VR38DETT 1mm Thick 27.56mm OD 18.4mm ID Spring Seat Kit (Set of 24)

In stock (12)

(0)

Regular price $35.97
GSC Power Division GSC1083

GSC P-D Toyota 2JZ-GTE / Nissan VR38DETT .5mm Thick 27.56mm OD 18.4mm ID Spring Seat Kit (Set of 24)

In stock (10)

(0)

Regular price $35.97
-16%

Supertech SPTLMA-HB

Supertech Honda B16/B18C Loss Motion Beehive Valve Spring Kit

In stock (11)

(0)

Regular price $113.10

Regular price ~~$135.10~~ Sale price $113.10
Supertech SPTCF-SHIM-2.75

Supertech Cam Follower Shim 8mm Dia 2.75mm Thick

In stock (6)

(0)

Regular price $21.52
Supertech SPTCF-SHIM-2.65

Supertech Cam Follower Shim 8mm Dia 2.65mm Thick

In stock (8)

(0)

Regular price $21.52
Supertech SPTCF-SHIM-2.55

Supertech Cam Follower Shim 8mm Dia 2.55mm Thick

In stock (12)

(0)

Regular price $21.52
Supertech SPTCF-SHIM-2.50

Supertech Cam Follower Shim 8mm Dia 2.50mm Thick

In stock (9)

(0)

Regular price $21.52
Supertech SPTCF-SHIM-2.45

Supertech Cam Follower Shim 8mm Dia 2.45mm Thick

In stock (4)

(0)

Regular price $21.52
Supertech SPTCF-SHIM-2.40

Supertech Cam Follower Shim 8mm Dia 2.40mm Thick

In stock (9)

(0)

Regular price $21.52
Supertech SPTCF-SHIM-2.35

Supertech Cam Follower Shim 8mm Dia 2.35mm Thick

In stock (3)

(0)

Regular price $21.52
Supertech SPTCF-SHIM-2.25

Supertech Cam Follower Shim 8mm Dia 2.25mm Thick

In stock (3)

(0)

Regular price $21.52
Supertech SPTCF-SHIM-2.20

Supertech Cam Follower Shim 8mm Dia 2.20mm Thick

In stock (9)

(0)

Regular price $21.52
Supertech SPTCF-SHIM-2.15

Supertech Cam Follower Shim 8mm Dia 2.15mm Thick

In stock (18)

(0)

Regular price $21.52
Supertech SPTCF-SHIM-2.10

Supertech Cam Follower Shim 8mm Dia 2.10mm Thick

In stock (4)

(0)

Regular price $21.52
Supertech SPTCF-SHIM-2.05

Supertech Cam Follower Shim 8mm Dia 2.05mm Thick

In stock (11)

(0)

Regular price $21.52
Supertech SPTCF-SHIM-2.00

Supertech Cam Follower Shim 8mm Dia 2.00mm Thick

In stock (10)

(0)

Regular price $21.52
Supertech SPTCF-SHIM-1.95

Supertech Cam Follower Shim 8mm Dia 1.95mm Thick

Backorder - Email for ETA

(0)

Regular price $21.52
Supertech SPTCF-SHIM-1.85

Supertech Cam Follower Shim 8mm Dia 1.85mm Thick

In stock (5)

(0)

Regular price $21.52
Supertech SPTCF-SHIM-1.80

Supertech Cam Follower Shim 8mm Dia 1.80mm Thick

In stock (3)

(0)

Regular price $21.52
Supertech SPTCF-SHIM-1.75

Supertech Cam Follower Shim 8mm Dia 1.75mm Thick

In stock (15)

(0)

Regular price $21.52

Brands we carry