Econo Beehive® valve spring kit

Manufactured from heat-treated chromoly ovalised tapered wire
Measured and labelled manually according to required winding and opening height
Uses a much smaller and lighter retainer to reduce valve weight and allow faster, smoother revving.
Dyno and track tested
The kit includes: Econo BeeHive® valve springs, lightweight 7° steel or titanium retainers, machined and heat-treated chromoly spring seats, seat washers, valve locks and a set of premium Viton® valve seals with spring-loaded stem cleaning system.
Up to 0.585" lift
Seat weight / installed height:
183 lb at 1.760" (0.510" lift)
175 lb at 1.785" (0.535" lift)
172 lb @ 1.803" (0.553" lift)
165 lb @ 1,825" (0.574" lift)
163 lb @ 1.835" (0.585" lift)
380 lb at 1.250" open height
Spring compression to 1.180"
Manufactured in the USA
EU: Designed for high-performance engines with camshafts up to 1.486" lift.
Feuling® BeeHive® valve springs must be installed at the correct open height, with maximum lift matching the specified open height.
Direct replacement Econo BeeHive® kit, no machining or rocker cover adjustment required, for cams up to 0.574" lift on '84-'04 Big Twin and '86-'03 XL and up to 0.585" on '05-'17 Twin Cam.
EU: Installed seat height; 83.00 kg at 4.50 cm (1.30 cm lift)
EU: 79.38 kg at 4.56 cm (1.36 cm lift)
EU: 78.02 kg at 4.61 cm (1.41 cm) lift
EU: 74.84?kg at 4.66?cm (1.46?cm lift)
UE: 72.57 kg at 4.69 cm (1.49 cm lift)
EU: 172.37 kg at 3.20 cm open height, spring lock at 3.02 cm
EU: The Econo BeeHive® kits are direct replacements requiring no machining or rocker cover adjustment, for cams with up to 1.458 cm lift on 84-04 Big Twin and 86-03 XL, and up to .585" lift on 05-17 Twin Cam.



Specifications


Brand
FEULING PARTS


Supplier reference
1121


Application
Exhaust, Intake


Style
Oval «honeycomb»


Material
Chromium molybdenum steel


Gasket material
Steel


Model
Econo Beehive


Product name
Spring kit


Type
Valve


Units
Kit