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Spring and Retainer Kits

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Supertech Performance SPRK-2081/RB25 Single Valve spring kit 80lbs @30.6mm SPR-2081/RB25 (24) + NVG1015/T1 (24) + Seat-SS2082-E (12) + OE SEAT
Supertech

Supertech Performance SPRK-2081/RB25 Single Valve spring kit 80lbs @30.6mm SPR-2081/RB25 (24) + NVG1015/T1 (24) + Seat-SS2082-E (12) + OE SEAT

$628.65 $565.79
ST-SPRK-2081-RB25
Best selling products Cylinder Head Parts Engine Except Excluded Sale Brands Flash Sale Exclusions New products Spring and Retainer Kits Supertech Valve Springs
Supertech Performance SPRK-2081/RB25 Single Valve spring kit 80lbs @30.6mm SPR-2081/RB25 (24) + NVG1015/T1 (24) + Seat-SS2082-E (12) + OE SEATSupertech valve springs are computer...
Sale
Supertech Performance SPRK-TS1015/2 Dual Valve Spring 84@ 35mm (24) SPR-TS1015/2 + (24) RET-NVG1015/T1 + (24)SEAT-TS1015
Supertech

Supertech Performance SPRK-TS1015/2 Dual Valve Spring 84@ 35mm (24) SPR-TS1015/2 + (24) RET-NVG1015/T1 + (24)SEAT-TS1015

$710.27 $639.24
ST-SPRK-TS1015-2
Best selling products Cylinder Head Parts Engine Except Excluded Sale Brands Flash Sale Exclusions New products Spring and Retainer Kits Supertech Valve Springs
Supertech Performance SPRK-TS1015/2 Dual Valve Spring 84@ 35mm (24) SPR-TS1015/2 + (24) RET-NVG1015/T1 + (24)SEAT-TS1015Supertech valve springs are computer designed to ensure smooth harmonics...
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Supertech Performance SPRK-H1021D-VE Dual Valve Spring 138 @ 37.5 SPR-H1021D-VE + RET-NSR20/T1 + Fact Seat (to increase net lift it is necessary to machine inner spring boss)
Supertech

Supertech Performance SPRK-H1021D-VE Dual Valve Spring 138 @ 37.5 SPR-H1021D-VE + RET-NSR20/T1 + Fact Seat (to increase net lift it is necessary to machine inner spring boss)

$430.69 $387.62
ST-SPRK-H1021D-VE
Best selling products Cylinder Head Parts Engine Except Excluded Sale Brands Flash Sale Exclusions New products Spring and Retainer Kits Supertech Valve Springs
Supertech Performance SPRK-H1021D-VE Dual Valve Spring 138 @ 37.5 SPR-H1021D-VE + RET-NSR20/T1 + Fact Seat (to increase net lift it is necessary to machine...
Sale
Supertech Performance SPRK-H1022D-VE Dual Valve Spring 123 @ 37.5 SPR-H1022D-VE + RET-NSR20/T1 + Fact Seat (to increase net lift it is necessary to machine inner spring boss)
Supertech

Supertech Performance SPRK-H1022D-VE Dual Valve Spring 123 @ 37.5 SPR-H1022D-VE + RET-NSR20/T1 + Fact Seat (to increase net lift it is necessary to machine inner spring boss)

$430.69 $387.62
ST-SPRK-H1022D-VE
Best selling products Cylinder Head Parts Engine Except Excluded Sale Brands Flash Sale Exclusions New products Spring and Retainer Kits Supertech Valve Springs
Supertech Performance SPRK-H1022D-VE Dual Valve Spring 123 @ 37.5 SPR-H1022D-VE + RET-NSR20/T1 + Fact Seat (to increase net lift it is necessary to machine...
Sale
Supertech Performance SPRK-2035-2022 Dual Valve spring 93 @37.5 SPR-2035-2022 + RET-NSR20/T1 + Factory Seat
Supertech

Supertech Performance SPRK-2035-2022 Dual Valve spring 93 @37.5 SPR-2035-2022 + RET-NSR20/T1 + Factory Seat

$429.90 $386.91
ST-SPRK-2035-2022
Best selling products Cylinder Head Parts Engine Except Excluded Sale Brands Flash Sale Exclusions New products Spring and Retainer Kits Supertech Valve Springs
Supertech Performance SPRK-2035-2022 Dual Valve spring 93 @37.5 SPR-2035-2022 + RET-NSR20/T1 + Factory SeatSupertech valve springs are computer designed to ensure smooth harmonics under...
Sale
Supertech Performance SPRK-H1020D/SR20 Dual Valve Spring 116@ 40.5 SPR-H1020D/SR20 +RET-NSR20/T1 + SEAT-SR20/6 (For DET use SEAT-H/N240 on Exhaust
Supertech

Supertech Performance SPRK-H1020D/SR20 Dual Valve Spring 116@ 40.5 SPR-H1020D/SR20 +RET-NSR20/T1 + SEAT-SR20/6 (For DET use SEAT-H/N240 on Exhaust

$484.38 $435.94
ST-SPRK-H1020D-SR20
Best selling products Cylinder Head Parts Engine Except Excluded Sale Brands Flash Sale Exclusions New products Spring and Retainer Kits Supertech Valve Springs
Supertech Performance SPRK-H1020D/SR20 Dual Valve Spring 116@ 40.5 SPR-H1020D/SR20 +RET-NSR20/T1 + SEAT-SR20/6 (For DET use SEAT-H/N240 on ExhaustSupertech valve springs are computer designed to...
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Supertech Performance SPRK-H1021D/SR20 Dual Valve Spring 106@ 40.5 SPR-H1021D/SR20 + RET-NSR20/T1 + SEAT-SR20/6 (For DET use SEAT-H/N240 on Exhaust)
Supertech

Supertech Performance SPRK-H1021D/SR20 Dual Valve Spring 106@ 40.5 SPR-H1021D/SR20 + RET-NSR20/T1 + SEAT-SR20/6 (For DET use SEAT-H/N240 on Exhaust)

$525.87 $473.28
ST-SPRK-H1021D-SR20
Best selling products Cylinder Head Parts Engine Except Excluded Sale Brands Flash Sale Exclusions New products Spring and Retainer Kits Supertech Valve Springs
Supertech Performance SPRK-H1021D/SR20 Dual Valve Spring 106@ 40.5 SPR-H1021D/SR20 + RET-NSR20/T1 + SEAT-SR20/6 (For DET use SEAT-H/N240 on Exhaust)Supertech valve springs are computer designed...
Sale
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Supertech Performance SPRK-H1022D/SR20 Dual Valve Spring 95 @ 40.5 SPR-H1021D/2024 + RET-NSR20/T1 + SEAT-SR20/6 (For DET use SEAT-H/N240 on Exhaust)
Supertech

Supertech Performance SPRK-H1022D/SR20 Dual Valve Spring 95 @ 40.5 SPR-H1021D/2024 + RET-NSR20/T1 + SEAT-SR20/6 (For DET use SEAT-H/N240 on Exhaust)

$525.87 $473.28
ST-SPRK-H1022D-SR20
Best selling products Cylinder Head Parts Engine Except Excluded Sale Brands Flash Sale Exclusions New products Spring and Retainer Kits Supertech Valve Springs
Supertech Performance SPRK-H1022D/SR20 Dual Valve Spring 95 @ 40.5 SPR-H1021D/2024 + RET-NSR20/T1 + SEAT-SR20/6 (For DET use SEAT-H/N240 on Exhaust)Supertech valve springs are computer...
Sale
Supertech Performance SPRK-H1002D/240 Dual Valve Spring 73@ 34.8mm SPR-H1002D + RET-H70/T1 + SEAT-H/N240
Supertech

Supertech Performance SPRK-H1002D/240 Dual Valve Spring 73@ 34.8mm SPR-H1002D + RET-H70/T1 + SEAT-H/N240

$473.52 $426.17
ST-SPRK-H1002D-240
Best selling products Cylinder Head Parts Engine Except Excluded Sale Brands Flash Sale Exclusions New products Spring and Retainer Kits Supertech Valve Springs
Supertech Performance SPRK-H1002D/240 Dual Valve Spring 73@ 34.8mm SPR-H1002D + RET-H70/T1 + SEAT-H/N240Supertech valve springs are computer designed to ensure smooth harmonics under high...
Sale
Supertech Performance SPRK-H1000D/240 Dual Valve Spring 96@ 34.85mm SPR-H1000D + RET-H70/T1 + SEAT-H/N240
Supertech

Supertech Performance SPRK-H1000D/240 Dual Valve Spring 96@ 34.85mm SPR-H1000D + RET-H70/T1 + SEAT-H/N240

$473.52 $426.17
ST-SPRK-H1000D-240
Best selling products Cylinder Head Parts Engine Except Excluded Sale Brands Flash Sale Exclusions New products Spring and Retainer Kits Supertech Valve Springs
Supertech Performance SPRK-H1000D/240 Dual Valve Spring 96@ 34.85mm SPR-H1000D + RET-H70/T1 + SEAT-H/N240Supertech valve springs are computer designed to ensure smooth harmonics under high...
Sale
Supertech Performance SPRK-TS1015/NE Dual Valve Spring 84lbs @ 34.6 SPR-TS1015/NE + RET-M60/T1+ SEAT-EC1015
Supertech

Supertech Performance SPRK-TS1015/NE Dual Valve Spring 84lbs @ 34.6 SPR-TS1015/NE + RET-M60/T1+ SEAT-EC1015

$509.21 $458.29
ST-SPRK-TS1015-NE
Best selling products Cylinder Head Parts Engine Except Excluded Sale Brands Flash Sale Exclusions New products Spring and Retainer Kits Supertech Valve Springs
Supertech Performance SPRK-TS1015/NE Dual Valve Spring 84lbs @ 34.6 SPR-TS1015/NE + RET-M60/T1+ SEAT-EC1015Specifications: Outer Spring -- 27.50mm OD -- 20.00mm ID Inner Spring --...
Sale
Supertech Performance SPRK-M1007BE-2 Behive Valve Spring 98lbs @37.2mm SPR-M1007BE-1 + RET-M65-TBE + SEAT-M65BE-2
Supertech

Supertech Performance SPRK-M1007BE-2 Behive Valve Spring 98lbs @37.2mm SPR-M1007BE-1 + RET-M65-TBE + SEAT-M65BE-2

$499.69 $449.72
ST-SPRK-M1007BE-2
Best selling products Cylinder Head Parts Engine Except Excluded Sale Brands Flash Sale Exclusions New products Spring and Retainer Kits Supertech Valve Springs
Supertech Performance SPRK-M1007BE-2 Behive Valve Spring 98lbs @37.2mm SPR-M1007BE-1 + RET-M65-TBE + SEAT-M65BE-2Specifications: Outer Spring -- 28.00mm OD -- 18.80mm ID Inner Spring --...
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Items 61 to 72 of 84 total
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