Category: dual

Dual Valve Spring Kit. 660 for Chevrolet LS1 LS2 LS3 LS4Steel Titanium Retainer

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This very popular Spring Kit is highly recommended when upgrading to a aftermarket Camshaft. 660 Lift dual spring kit for LS engines using stock rocker arms. Included dual polished springs, matching Steel Retainers, locators for stock guides, locks and seals. Kit includes dual polished springs, locks, chromoly steel retainers and locators for stock guides. Valve […]


1.9 TDI Dual valve springs set with RETAINERS TDI 8v PD NJPerformance

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Performance dual valve springs set 1.9/2.0 TDI 8v PD. Performance springs for all 1.9 pd and 2.0 pd (8 valves). The kit consists of eight large and eight small coil springs with 35% more stiffness than the original ones. The retainers are forged steel and weigh only 11 grams compared to the original retainers weight […]


Dual valve springs set for 1.8T NJPerformance

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The set consists of 8 lightweight retainers 8 custom locators 8 inner and 8 outer exhaust springs and 12 intake valve springs (+25%). Fits all 4 cylinder 1.8 20V Turbo/ Audi / Seat / Skoda / VW engines. Lightweight 11g retainers on exhausts compared to stock 15.5 g. Max safe lift 12.5 mm. Installed height […]


Dual valve springs set OM606 OM612 OM628 OM648 Mercedes diesel NJPerformance

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Performance dual valve springs set Mercedes. The set prevents valve float under high boost pressures due to springs greater stiffness compared to the OEM and dual spring design. Direct fittment and require no machining. The small spring has a reverse winding, which allows safe lifting of the working. Boost pressure as you want (tested at […]


Dual Valve Spring Kit. 660 for Chevrolet LS1 LS2 LS3 LS4Steel Titanium Retainer

Dual_Valve_Spring_Kit_660_for_Chevrolet_LS1_LS2_LS3_LS4Steel_Titanium_Retainer_01_lc

This very popular Spring Kit is highly recommended when upgrading to a aftermarket Camshaft. 660 Lift dual spring kit for LS engines using stock rocker arms. Included dual polished springs, matching Steel Retainers, locators for stock guides, locks and seals. Kit includes dual polished springs, locks, chromoly steel retainers and locators for stock guides. Valve […]