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FEULING ENDURANCE BEEHIVE valve springs are a direct bolt in replacement, no spring seat or rocker cover machining required. Endurance springs are machined from a premium grade Hi-tensile chrome silicon single conical ovate wire, shot-peened with a specially processed thermal heat treat and super NexTex finish to give these valve springs the needed fatigue life…
* Extreme Duty Valve Spring Kit – Titanium Retainers – .675in. Lift* Specifically designed & processed with extra shot peening & nitrided to resist failure under the most extreme conditions.* For use with serious high performance cams 0.640-.675in. lift* Includes springs,retainers & upper & lower collars* 185lbs @ 1.860, 460lbs @ 1.160in.* Coil bind 1.080in.*…
FEULING Endurance BeeHive valve springs are machined from a premium grade Hi-tensile chrome silicon single conical ovate wire, shot-peened with a specially processed thermal heat treat and super NexTex finish to give these valve springs the needed fatigue life to exceed the high demands of V-Twin engines from stock to performance. Kits include: FEULING endurance…
Note: Maximum Recommended Lift = .650in.* Beehive steel valve spring kit* Ultra pure chrome silicon+Nickle spring wire* Extra processing for fatigue resistance* Resist pressure loss & fatigue associated with extremely aggressive cams in high compression engines* Reduce vibration & harmonics* Includes springs,retainers & upper & lower collars* 185lbs@1.860, 370lbs@1.250in.* coil bind 1.150in.* Small end ID…
Note: Maximum Recommended Lift = .650in.* Steel Double Spring Kit* Ultra pure chrome silicon+Nickle spring wire* Extra processing for fatigue resistance* 1.375in. for better clearance inside rocker cvr* Springs feature chamfered tops to match smaller retainers* Includes springs,retainers & upper & lower collars* 185lbs @ 1.860, 460lbs @ 1.160in.* Coil bind 1.080in.* Maximum lift =…
Note: Maximum Recommended Lift = .600in.* Steel Double Spring Kit* Ultra pure chrome silicon+Nickle spring wire* Extra processing for fatigue resistance* 1.375in. for better clearance inside rocker cvr* Springs feature chamfered tops to match smaller retainers* Includes springs,retainers & upper & lower collars* 155lbs@1.875, 175lbs@1.815in.* coil bind 1.080in.Tech Tips:-* Rocker box clearance must be checked*…
Note: Maximum Recommended Lift = .600in.* Beehive steel valve spring kit* Ultra pure chrome silicon+Nickle spring wire* Extra processing for fatigue resistance* Resist pressure loss & fatigue associated with extremely aggressive cams in high compression engines* Reduce vibration & harmonics* Includes springs,retainers & upper & lower collars* 162lbs @ 1.860in., 340lbs @ 1.260in.* Coil bind…
FEULING ECONO performance BEEHIVE valve springs designed to handle up to 585 lift camshafts at an economical price. These FEULING BEEHIVE springs are made from the same premium stress relieved conical ovate wire as our HIGH LOAD springs but are developed for economical engine budgets. They have an excellent level of fatigue life and are…
Note: Maximum Recommended Lift = .590in.* High Performance Spring Kit* Silicon & Vanadium alloy spring wire* Increased travel before coil bind* Complete Kit includes: springs, retainers, keepers & lower collarsTech Tips:-* Rocker box clearance must be checked* Spring travel must be checked * Valve timing must be accurate** Over revving will lead to pre-mature failure…
Note: Maximum Recommended Lift = .530in.* High Performance Spring Kit* Silicon & Vanadium alloy spring wire* Increased travel before coil bind* Complete Kit includes: springs, retainers, keepers & lower collarsTech Tips:-* Rocker box clearance must be checked* Spring travel must be checked * Valve timing must be accurate** Over revving will lead to pre-mature failure…
Note: Maximum Recommended Lift = .470in.* High Performance Spring Kit* Silicon & Vanadium alloy spring wire* Increased travel before coil bind* Complete Kit includes: springs, retainers, keepers & lower collars* Replaces OEM # 18202-82* Replaces OEM # 18205-57* Replaces OEM # 18222-48ATech Tips:-* Rocker box clearance must be checked* Spring travel must be checked *…
* Easy oversize identification by the part number * Easy to machine with cutter and stone * Resists severe pounding and dissipates heat better * Work-hardens during running-in * Radiused for easier installation * Replaces OEM # 18018-66* Replaces OEM # 18056-66BOD = 1.944in.ID = 1.570in.Thickness = .400in.
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