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| ENDURANCE SPRINGS |
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ENDURANCE SPRINGS
190 Lbs @ 1.725” (.575” Lift)
185 Lbs @ 1.785” (.635” Lift)
160 Lbs @ 1.800” (.650” Lift)
375 Lbs @ 1.150” Open Height
Coil Bind @ 1.100”
FEULING® Endurance BEEHIVE® valve springs are a direct bolt in replacement up to .650” lift no machining required. Made from premium 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. |
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Kits include:FEULING® Endurance BEEHIVET® valve springs, lightweight 7° super titanium heat treated retainers, machined chromoly spring seats and valve locks, seat shims and a set of premium VITON® valve seals equipped with a spring loaded valve stem wiper system.
| EVO & T/C '84 - '04, XL ’86-’03 |
| SCREAMIN EAGLE HEADS T/C |
| T/C '05 - '12 |
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| HIGH LOAD SPRINGS |
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HIGH LOAD SPRINGS
215 Lbs @ 1.800” (.585” Lift)
200 Lbs @ 1.850” (.635” Lift)
185 Lbs @ 1.900” (.685” Lift)
170 Lbs @ 1.935” (.720” Lift)
415 Lbs @ 1.215” OPEN HEIGHT
Coil Bind @ 1.125”
FEULING® high load premium performance BEEHIVE® valve springs for steep ramped large lift camshafts - These FEULING® valve springs are made from premium stress relieved conical ovate wire with a nitrided surface heat treatment, shot-peened surface enhancements along with a NANO PEEN™ polish. They have an extremely high level of fatigue life and are designed to handle the highest demands of performance engines with high lift, steep ramped camshafts. Dyno proven and track tested. |
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Kits include:FEULING® High Load BeeHive® valve springs, lightweight 10° Titanium retainers manufactured from special Ti-17 alloy and polished for enhanced fatigue life, machined heat treated chromoly spring seats and valve locks, seat shims and a set of premium VITON® valve seals equipped with a spring loaded valve stem wiper system.
| EVO & T/C '84 - '04, XL ’86-’03 |
| SCREAMIN EAGLE HEADS T/C |
| T/C '05 - '12 |
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| VALVE LOCKS |
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FEULING® offers a selection of high quality machined valve locks including stock replacement, Titanium, off set and triple groove. |
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| EVO & T/C '84 - '04, XL ’86-’03 (5/16” Valve Stems) |
| T/C ‘05 - ’11, XL ‘04-’11 (7MM VALVE STEMS) |
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| VALVE SEALS |
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High quality Viton® valve seals designed to handle high engine temperatures with a built in spring loaded wiper to clean excess oil from valve stem with minimal friction. Includes 4 seals & seal installer tool. |
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| FEULING® ECONO BEEHIVE® VALVE SPRINGS |
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 designed to handle the demands of performance engines with 585" and smaller lift camshafts. Dyno proven and track tested.
- FEULING® BeeHive® valve springs use a much smaller and lighter weight retainer which drastically reduces the valve weight creating a much quicker revving and smoother motion than comparable dual valve springs.
- FEULING® ECONO springs allow up to 585” lift cams, no rocker box clearancing required.
- Eliminate valve spring separation, maximize stability, reduce valve-train noise & harmonics!
- Available for 5/16” and 7mm valves
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Don’t get stung by inferior valve springs!
Quicker Revving - Smoother Motion - Fit up to 585” Lift Camshafts
SEAT Lbs. / INSTALLED HEIGHT
183 Lbs. @ 1.760” (0.510” Lift)
175 Lbs. @ 1.785” (0.535” Lift)
170 Lbs @ 1.810” (0.560” Lift)
165 Lbs @ 1.825” (0.574” Lift)
163 Lbs @ 1.835” (0.585” Lift)
380 Lbs @ 1.250” OPEN HEIGHT
Coil Bind @ 1.180" |
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Kits include:FEULING® Econo BeeHive® valve springs, lightweight 7°steel retainers, machined heat treated chrome moly spring seats, seat shims and valve locks and a set of premium Viton® valve seals equipped with a spring loaded valve stem wiper system.
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| VALVE |
YEAR |
STOCK |
FEULING ® ENDURANCE |
| 5/16" STD Groove |
'84 - '04 |
28.7g |
10g |
| 7MM Triple Groove |
'05 - '12 |
14.4g |
9.4g |
| VALVE |
YEAR |
STOCK |
FEULING ® HIGH LOAD |
| 5/16" STD Groove |
'84 - '04 |
28.7g |
14.1g / Ti LOCKS 11.4g |
| 7MM Triple Groove |
'05 - '12 |
14.4g |
8.5 g |
*FEULING® BEEHIVE® valve spring kits are direct replacement no machining or rocker box clearance required up to .574” lift for ’84-’04 Big Twin,’86-’03 XL, and up to .700” lift for ’05 – ’10 Twin Cam. Larger lift camshafts require valve guide machining for valve seal to retainer clearance. |
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