Klotz 4T V-Twin Synthetic Lubricant - 25w60 1qt — Harley-Davidson Electra Glide Classic, Softail Heritage Classic, Softail Springer (1984-2006)

Klotz 4T V-Twin synthetic lubricant in 25W60 weight, formulated specifically for air-cooled V-twin engines found in Harley-Davidson and Indian Motorcycle models. API SL certified and designed to reduce operating temperature and detonation while delivering high-temperature film strength.

Features

• Synthetic 25W60 formulation
• API SL certified
• Custom-tuned for air-cooled V-twin engines
• Reduces engine temperature and detonation
• High-temperature anti-wear film protection

Specifications

• Brand: Klotz
• Manufacturer Part #: KH-2560
• UPC: 028175012567
• Weight: 2 lbs
• Viscosity: 25W60
• Type: Synthetic

Fitment

Recommended for Harley-Davidson Revolution, Twin Cam 88, Evolution XL, Evolution 1340, Pre-Evolution engines, and Buell models. Compatible with V-twin air-cooled motorcycle engines.

Frequently Asked Questions

What Harley engines does this oil work with?

Klotz 25W60 is recommended for Revolution, Twin Cam 88, Evolution XL, Evolution 1340, and Pre-Evolution engines.

Is this oil street-legal and warranty compliant?

Yes — API SL certification means it meets OEM warranty requirements for Harley and Indian motorcycles.

What does 25W60 mean?

25W is the cold-start viscosity; 60 is the high-temperature rating. This weight suits warm climates and sustained highway riding.

Will this reduce my engine temperature?

Klotz 4T formulation is designed to reduce operating temperature and detonation compared with conventional oils, helping protect air-cooled V-twins.