Feuling High Load Beehive Valve Springs .750"

Upgrade your engine's performance with Feuling Parts High Load Beehive® Valve Springs. These valve springs are engineered to withstand the demands of high-performance engines, ensuring reliable valve train operation and improved power delivery. Designed for easy installation and superior durability, these springs are a must-have for any serious motorcycle enthusiast.

Description

Feuling High Load Beehive® Valve Springs are meticulously crafted using premium stress-relieved conical ovate wire, enhanced with a nitrided surface heat treatment, shot-peened surface, and Nano Peen™ polish. This ensures exceptional fatigue life and the ability to handle high-lift, steep-ramped camshafts. The kit includes lightweight 10° Titanium retainers made from Ti-17 alloy, which are micropolished to further enhance fatigue life. Machined heat-treated chromoly spring seats, seat shims, valve locks, and premium Viton® valve seals with a spring-loaded valve stem wiper system are also included for a complete, high-quality upgrade. These valve springs allow for up to 0.750" lift cams and require no rocker box clearing, making installation straightforward.

Features & highlights

• Manufactured from premium stress-relieved conical ovate wire for superior durability.
• Nitrided surface heat treatment, shot-peened surface enhancements, and Nano Peen™ polish ensure exceptional fatigue life.
• Lightweight 10° Titanium retainers reduce valve weight and enhance rev response.
• Designed for high-performance engines with high-lift, steep-ramped camshafts.
• Allows up to 0.750" lift cams without requiring rocker box modifications.
• Includes premium Viton® valve seals with spring-loaded valve stem wiper system for superior sealing.
• Dyno proven and track tested for reliability and performance.

Technical specifications

• Brand: Feuling Parts
• Product Name: Spring Kit
• Spring Lift: 0.750"
• Application: Exhaust, Intake
• Collar Material: Titanium
• Material: Steel
• Type: Valve
• Seat lb/installed height: 170 lb at 1.935" (0.720" lift)
• Seat lb/installed height: 185 lb at 1.900" (0.685" lift)
• Seat lb/installed height: 200 lb at 1.845" (0.630" lift)
• Seat lb/installed height: 208 lb at 1.819" (0.604" lift)
• Seat lb/installed height: 215 lb at 1.800" (0.585" lift)
• Seat lb/installed height: 217 lb at 1.789" (0.574" lift)
• 415 lb at 1.215" open height
• Coil bind at 1.125"

Important to know

Valve springs must be installed at the correct OPEN HEIGHT, matching max lift to the open height spec of the valve springs. Feuling® BeeHive® valve spring kit is a 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 .700" lift for '05-'17 Twin Cam. Larger camshafts require valve guide machining for seal-to-retainer clearance.

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