KPMI BEEHIVE VALVE SPRING KIT .640 LIFT M8`17-24 NON VVT - .640 Lift M8`2017-20… — Harley-Davidson (2017-2024)

KPMI Beehive valve spring kit for Harley Milwaukee-Eight non-VVT engines, rated for 0.640 inch lift. Direct upgrade from stock springs to support higher-lift camshafts and increased valve event performance.

Features

• 0.640 inch lift capacity
• Beehive spring design
• Non-VVT Milwaukee-Eight specific
• Complete valve spring kit included

Specifications

• Brand: KPMI
• Manufacturer Part #: 20-24400
• Lift Specification: 0.640 inch
• Weight: 1.5 lbs

Fitment

Fits Harley-Davidson Milwaukee-Eight non-VVT engines, 2017-2024 model years.

Frequently Asked Questions

What lift cam does this support?

This spring kit is rated for 0.640 inch valve lift. Match it to a compatible higher-lift camshaft in that range.

Will this fit my 2025+ Milwaukee-Eight?

This kit is for 2017-2024 non-VVT models. 2025 and newer may use different spring specifications — verify with KPMI.

Do I need to install a new cam with these springs?

These springs support higher-lift cams. If running stock lift, upgrade to a compatible higher-lift camshaft to realize the spring's full potential.

Is this a complete kit?

Yes — the complete beehive valve spring set is included. Installation requires standard engine work tools and mechanical knowledge.