Product Description
KIBBLEWHITE Valve Spring Kit – Rocker Shim Conversion – Dual Springs – Titanium Retainers – M8
Key Features
- Designed for maximum performance
- Features interference-wound, double-chrome silicone springs; heat-treated steel base washers
- All spring kits should be used together
- Available in a complete set for one engine
- Made in the USA
- Modification necessary to maximize shim contact, KPMI recommends “tipping” (shortening the valve tip).
- There is anticipated to be a rough 0.100″ increase in effective stem protrusion with the use of the shim.
- This system must be run with KPMI’s newer style M8 valve guides, which are shortened for 0.675″ valve lift.
Technical Specifications
- Weight: 1.50 lbs
- Supplier Number: 20-23400
- Unit of Measure: Kit
Current Warehouse Inventory
Stock by Location:
- ✓ Janesville, WI: 5 units
- ✗ Batavia, NY: 0 units
- ✗ Dallas, TX: 0 units
- ✗ Fresno, CA: 0 units
- ✗ Reno, NV: 0 units
- ✗ Asheville, NC: 0 units
- ✓ National: 5 units
Total Available: 10 units
Inventory Last Checked: December 4, 2025 at 1:00 AM UTC
Thank you for Shopping at Knobtown Cycle!
When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.
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