Klotz Synthetic Straight Weight Lubricant - 20w40 1qt — Harley-Davidson Electra Glide, Super Glide, Low Rider (1955-1983)

Klotz Synthetic Straight Weight 20w40 is a genuine synthetic lubricant formulated specifically for Harley-Davidson pre-Evolution V-twin engines. API-SH/CG-4 certified and engineered to reduce friction, lower operating temperatures, and improve anti-wear protection under high-temperature conditions.

Features

• API-SH/CG-4 service certified
• Formulated for Harley pre-Evolution engines
• Reduces friction and engine drag
• High-temperature film strength
• Lowers operating temperature and detonation

Specifications

• Brand: Klotz
• Manufacturer Part #: KV-2040
• UPC: 28175012406
• Viscosity: 20w40
• Container Size: 1 quart
• Weight: 2 lbs
• Dimensions: 8 in L x 4 in W x 2 in H

Fitment

Fits Harley-Davidson pre-Evolution V-twin motorcycles.

Frequently Asked Questions

Is this oil compatible with my Harley engine?

Yes — this Klotz synthetic is custom-formulated for Harley pre-Evolution engines and is API-SH/CG-4 certified for warranty compliance.

What viscosity is this oil?

This is a straight-weight 20w40 synthetic designed for V-twin engines and typical riding conditions.

Will this reduce engine temperature?

Yes — the synthetic formula is engineered to lower operating temperature and improve heat dissipation compared to conventional oils.

Is this warranty-safe for my Harley?

Yes. API-SH/CG-4 certification ensures this oil meets OEM warranty requirements for Harley pre-Evolution engines.