12 X DUAL VALVE SPRING FOR FORD FAIRLANE NA NC NF NL MPFI SOHC 3.9L 4.0L I6. Crow Cams valve springs are made from aircraft quality alloy steel to give the best performance and reliability at a reasonable price. These conical valve springs are specially designed to suit our high lift, high acceleration profile. This […]
SET OF 12 DUAL VALVE SPRINGS FOR FORD FALCON AU INTECH HP VCT & NON VCT 4.0L I6. Crow Cams valve springs are made from aircraft quality alloy steel to give the best performance and reliability at a reasonable price. These conical valve springs are specially designed to suit our high lift, high acceleration profile. […]
660 Dual Valve Spring Kit Steel Retainers 4.8 5.3 6.0 LS1 LS2 LS3. 660 Lift Dual Spring Kit for LS engines using stock rocker arms. Locators for Stock Guides. This is a drop in spring kit for all 15 degree LS heads including LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA, […]
660 Dual Valve Spring Kit Steel Ret LS1/LS2/LS3/4.8/5.3/6.0. Part Type: Valve Spring Kit. Engine Type: Gen III/IV Max Lift: 660 Style:Dual. 660 Lift Dual Spring Kit for LS engines using stock rocker arms. This kit will NOT fit LS9 engines This is a drop in spring kit for all 15 degree LS heads including LS1 […]
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 […]
BTR PLATINUM LS DUAL SPRING KIT. 660 LIFT – SK001. The BTR platinum spring kit would be inducted into the LS aftermarket hall of fame if such a thing existed. Whether you’re putting together a daily driver with a mild cam, a 600 hp N/A stroker, or a turbocharged 1000 hp brawler, our platinum spring […]
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 […]
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 […]
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 […]
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 […]