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Supertech Valve Spring & Retainer Kit - D-series

Supertech now offers a performance dual & single valve spring and retainer kits for popular Honda / Acura engine applications.

Most offered kits (unless otherwise specified) include 32 total valve springs and 16 titanium or aluminum retainers and may include spring seats (depending on engine application). 

Supertech 16/32pc Single/Dual Valve Springs:
Supertech performance valve springs are made with premium Superclean Chrome Silicon Vanadium Steel Alloy for higher performance and durability. Computer designed to ensure that wire stress levels do not overpass the limits for long durability under extreme conditions and harmonics are well under control.

Supertech 16pc Titanium Retainers
Supertech titanium retainers prevent valve float and strength up your valvetrain. Retainers are CNC machined from 6AL4V grade titanium.


Engine Applications
Carefully select your engine application and reference the part number in the pull down menu. Kit specs listed below. 

Note: Some kits include spring seats (partial or full set).

D16A6 (88-91 Civic Si/EX, CRX Si)
SPRK-H1003S - Single Valve Spring 73@ 40.6mm SPR-H1003S +RET-H1003/T1 + (8)SEAT-H1003E (exhaust only)

D16Z/Y8/D17 (92-00 Civic Si/EX, 01-05 Civic SOHC)
SPRK-H1002S - Single Valve Spring 60@ 49.5mm SPR-H1002S + RET-H1002/T1

D16A1(86-89 Integra) / 1.6L DOHC ZC (JDM 84-87 Civic/CRX Si)
SPRK-EC3027S-ZC - Single Valve spring 65lbs @ 33.80mm. Max lift 11.60mm , Rate 7lbs/mm + RET-TS66/T1 + SEAT-TS/MA18I

Supertech Valve Spring & Retainer Kit - D-series

Regular price Sale $301.57 Sale price MSRP $470.89
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Free Shipping
Free standard shipping applies to this item within the continental United States. Orders shipped to Alaska, Hawaii, Virgin Islands, Canada, Puerto Rico, Guam, and PO/APO/FPO boxes are subject to additional shipping charges.
Ships: 1-5 business days
This is an estimated ship date once your order is placed from JHPUSA. Ship dates do not include weekends and holidays.
Brand:Supertech
SKU:SPRK-H1003S
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