Feuling Parts Ball bearings measurement Measuring ballRef : FELG00291A / 38010310

FEULING PARTS measuring ball set designed to accurately control the diameter and roundness of lifter bores. An essential workshop tool for anyone working on vintage and modern Harley-Davidson Big-Twin engines, these balls allow for the assessment of wear and compliance of the bore before fitting or adjusting the lifters.

• Included sizes: 0.8430", 0.8435", 0.8440" and 0.8450" (SAE measurement system)
• Material: steel, silver finish
• Usage: assessment of the diameter and roundness of the lifter bore
• Feuling recommendation: lifter clearance between 0.001" and 0.0015" for optimal performance
• Made in the USA

Suitable for lifter bores of the following engine families: EVO (1984-1999), Twin Cam (1999-2017) and M8 (2017-2024). Compact and robust, these balls fit perfectly into the toolbox of both professional mechanics and amateur builders for quickly diagnosing a non-concentric or out-of-tolerance bore.

Manufacturer reference: 9004 — Brand: FEULING PARTS — Category: 3801-ENGINE TOOLS.