FEULING PARTS - 1100 - Valve Spring Kit - For 5/16" Valve Stem - Evolution Big Twin | Twin Cam | XL
The FEULING PARTS 1100 is precision-ground to pull more from your Evolution Big Twin | Twin Cam | XL motor the cam upgrade that actually shows up in performance. From the Endurance Beehive series, this cam is designed to drop into the factory valve train stack-up with minimal disruption to the surrounding components. Machined from premium-grade hi-tensile chrome silicon single-conical ovate wire. Shot-peened with specially processed thermal heat treat and super NexTex® finish for fatigue life needed to exceed high demands of V-Twin engines. Made in the U.S.A. Sold as a complete kit.
Features
- Machined from premium-grade hi-tensile chrome silicon single-conical ovate wire
- Shot-peened with specially processed thermal heat treat and super NexTex® finish for fatigue life needed to exceed high demands of V-Twin engines
- Use a much smaller and lighter weight retainer to reduce valve weight and create quicker rev and smoother motion
- Direct bolt-in replacement up to 0.650" cam lift; no machining or rocker box clearancing required
- Kits include: Endurance BeeHive® valve springs, lightweight 7° super Titanium heat-treated retainers, machined spring seats, seat shims, valve locks and a set of premium Viton® valve seals equipped with spring-loaded valve stem wiper system
- Made in the USA
- Seat lb / installed height:
- 198 lb @ 1.685" (0.535" lift)
- 194 lb @ 1.703" (0.553" lift)
- 190 lb @ 1.724" (0.574" lift)
- 187 lb @ 1.754" (0.604" lift)
- 185 lb @ 1.780" (0.630" lift)
- 160 lb @ 1.800" (0.650" lift)
- 375 lb @ 1.150" Open Height
- Coil Bind @ 1.100"
- Must be installed at the correct open height, matching max lift to the open height spec of the valve springs.
- Feuling® BeeHive® valve spring kits are direct replacement with no machining or rocker box clearance required up to 0.574" lift for '98-'04 Big Twin and '86-'03 XL and up to 0.650" lift for '05-'17 Twin Cam. Larger camshafts require valve guide machining for seal to retainer clearance.
Specs
- Product Name: Spring Kit
- Units: Kit
- Material: Chrome-Silicon
- Riding Style: Street
- Type: Valve
- Style: Ovate Wire Beehive
- Application: Intake
- Application: Exhaust
- Collar Material: Titanium
- Model: Endurance Beehive
Frequently Asked Questions - FEULING PARTS - 1100 - Valve Spring Kit - For 5/16" Valve Stem - Evolution Big Twin | Twin Cam | XL
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
