Beehive® valve springs for high loads

Manufactured from premium oval-section wire, stress-relieved, with nitrided thermal surface treatment, shot-peened surface and Nano Peen™ finish
Uses a much smaller and lighter seal to reduce valve weight and achieve faster response and smoother movement.
Designed to meet the demands of high-performance engines with high-lift camshafts and high overlap.
Accommodates camshafts up to 0.750" lift; no rocker cover modification required
Extremely high fatigue life
Bench and track tested
The kit includes High-Load BeeHive® valve springs, 10° titanium retainers manufactured from Ti-17 alloy and micro-polished for increased durability, machined and heat-treated chromoly spring seats, shims, valve keepers, and a set of premium Viton® oil seals with spring-loaded stem wipers.
Manufactured in the USA
Seat weight/installation height:
170 lb at 1.935" (0.720" lift)
185 lb at 1,900 rpm (0.685" lift)
200 lb at 1.845" (0.630" lift).
208 lb at 1.819" (0.604" lift)
215 lb at 1.800" (0.585" lift)
217 lb at 1,789" (0.574" lift)
415 lb at 1.215" open height
Maximum Compression at 1,125"
Valve springs must be installed at the correct open height, with maximum lift matching the spring's open height specification.
The Feuling® BeeHive® valve spring kit is a direct replacement requiring no machining or rocker arm adjustment. Up to .574" lift for Big Twin '84-'04 and XL '86-'03, up to .700" for Twin Cam '05-'17. Large camshafts require guide machining for seal clearance.
Compatible with Twin Cam Screamin' Eagle heads with 5/16" valve stems with standard grooves and 0.530" diameter valve guides.
Includes:
• 4x Springs
• 4x valve stem seals
• 4x Upper spring retainers
• 4x Lower spring retainers
• 4x Flat washers
• 4x Valve retainers (8 halves)



Specifications


Brand
FEULING PARTS


Supplier reference
1201


Application
Exhaust, Intake


Spring lift
0,750"


Spring lift
0,750"


Material
Steel


Gasket material
Titanium


Model
High-Load Beehive


Product name
Spring kit


Type
Valve


Units
Kit