Feuling Catalogue

FEULING® ENDURANCE BEEHIVE® VALVE SPRINGS MAXIMIZE VALVE SPRING STABILITY REDUCE VALVE-TRAIN NOISE & HARMONICS!

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 to exceed the high demands of V- Twin engines from stock to performance.  FEULING® BEEHIVE® valve springs use a smaller lighter weight retainer which drastically reduces the valve weight creating a quicker revving and smoother motion than comparable dual or single valve springs.  Eliminate valve spring separation, maximize stability, reduce valve-train noise & harmonics!  Available for 5/16”, 7mm and 6mm valves  FEULING® BEEHIVE® valve springs are packaged as a matched set and must be installed at the correct OPEN HEIGHT. Matching max cam lift to the open height spec of the valve springs is essential for optimal valve-train operation and spring life. See included spring spec chart  FEULING® endurance springs are a direct bolt-in replacement on EVO/Twin Cam up to 650” cam lift and Milwaukee Eight up to 565" cam lift with no machining or rocker box clearancing required.

Kits include: matched set of FEULING® ENDURACE BEEHIVE® valve springs, lightweight Titanium heat treated retainers, machined spring seats, seat shims, valve locks and a set of premium Viton® valve seals equipped with a spring loaded valve stem wiper system.

Don’t get stung by inferior valve springs! Quicker Revving - Smoother Motion - Light Weight Ti Retainers - Bolt in up to 650” Lift on EVO/TC - 565" lift for M8

EVO / TWIN CAM

MILWAUKEE EIGHT

SEAT Lbs. / INSTALLED HEIGHT 198 Lbs. @ 1.685” (0.535” Lift) 194 Lbs. @ 1.703" (0.553" Lift) 190 Lbs. @ 1.724” (0.574” Lift) 187 Lbs. @ 1.754" (0.604" Lift) 185 Lbs. @ 1.780” (0.630” Lift) 160 Lbs @ 1.800” (0.650” Lift) 375 Lbs @ 1.150” OPEN HEIGHT

SEAT Lbs. / INSTALLED HEIGHT 134 Lbs. @ 1.375” (0.405” Lift) 127 Lbs. @ 1.405” (0.435” Lift) 125 Lbs. @ 1.415” (0.445” Lift) 121 Lbs. @ 1.435” (0.465” Lift) 116 Lbs. @ 1.455” (0.485” Lift) 113 Lbs. @ 1.470” (0.500” Lift) 109 Lbs. @ 1.490” (0.520” Lift) 103 Lbs. @ 1.520” (0.550” Lift)

Coil Bind @ 1.100

*Cam specs measured @ 0.053" lift with 1.65 rocker arm ratio

226 Lbs @ 0.970” OPEN HEIGHT Coil Bind @ .920 *Cam specs measured on the lifter @ 0.050" lift with 1.61 rocker arm ratio

EVO/TWIN CAM

Part # 1100 Part # 1105 Part # 1101

EVO/Twin Cam Big Twin ’84-’04, XL ’86-’03, Buell '95-'02, 7° Std. 5/16” valve stem & keeper groove Twin Cam ’05-’16, XL '04-'16, XR 1200 '09-'16, 7°, 7mm valve stem with stock triple keeper groove T/C Screamin Eagle Heads with 5/16" valve stems with std keeper grooves and .530" diameter valve guides MILWAUKEE EIGHT '17 M8 stock 6mm valve stems with triple groove, this kit uses the factor retainers (W/O Ti Retainers)

Part #1107 Part # 1108 Part # 1109

M8 stock 6mm valve stems with triple groove, this kit includes Ti retainers

Ti retainers fit Feuling spring kit #1107 and or the factory and SE M8 valvesprings (Qty. 8) NOTE : Feuling® ENDURANCE BEEHIVE® valve spring kits are direct replacement with no machining or rocker box clearance required up to .574” lift for '84-'04 Big Twin and '86-'03 XL and up to .650” lift for '05-'16 Twin Cam. Always check bottom of retainer to seal clearance as cylinder heads vary.

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