Harddrive Replacement Cam Chain - TC 88" Inner OEM 25607-99 — Harley-Davidson Road King, Road King Classic, Electra Glide (1999-2006)

Harddrive replacement inner cam chain for Twin Cam 88 V-twin engines, engineered to restore proper valve timing and chain tension. A critical wear item that should be inspected regularly to prevent engine damage from a stretched or failed cam chain.

Features

• Heavy-duty cam chain construction
• Direct OEM replacement for TC 88 engines
• Long-life performance
• Cam chain guides available separately

Specifications

• Brand: Harddrive
• Manufacturer Part #: 87054
• UPC: 191361228506
• Length: 3 in
• Width: 2 in
• Height: 1 in
• Weight: 0.3 lbs
• Country of Origin: Japan

Fitment

Fits Twin Cam 88 V-twin engines. Also compatible as a replacement part for Twin Cam 96 and 103 applications.

Frequently Asked Questions

How do I know if my cam chain needs replacement?

Inspect the chain regularly during oil changes. A stretched, noisy, or rattling chain indicates wear and should be replaced to avoid engine damage.

Will this fit my Twin Cam 96 or 103 engine?

Yes — this inner cam chain is a direct replacement for Twin Cam 88, 96, and 103 engines.

What's the difference between inner and outer cam chains?

The inner chain drives the front cam; the outer chain drives the rear cam. Both work together to maintain valve timing. Harddrive sells replacement tensioners for both.

Do I need to replace the cam chain tensioners too?

Inspect tensioners for wear during service. If your chain is stretched, consider replacing the tensioners at the same time to ensure proper tension and longevity.