V-Twin Primary Chaincase Oil – High-Performance Big Twin Formula (1.05 Quart)

Optimized Clutch Cooling & Smooth Power Delivery for Harley-Davidson Big Twin Models

The V-Twin Primary Chaincase Oil is precision-formulated to deliver superior clutch performance and smooth power transfer for Harley-Davidson Big Twin engines. Engineered to handle high loads and temperatures, this lubricant ensures consistent clutch engagement, reduces chatter, and helps your drivetrain run cooler and quieter. With its distinctive red color for easy leak detection and enhanced wear protection, this oil is the perfect match for riders pushing performance and reliability from their Touring, Bagger, or Softail setups.

Key Features

• Formulated for high-pressure performance while maintaining free-flowing clutch cooling

• Prevents clutch slip and chatter, ensuring consistent engagement and better throttle response

• Reduces compensator noise and vibration, enhancing overall ride smoothness

• Distinctive red color for quick and easy leak identification

• Advanced wear protection extends the life of the primary chain and drivetrain components

• Designed for all Harley-Davidson Big Twin primary systems

• Improves horsepower and torque transfer for stronger, smoother acceleration

Performance & Fitment

The V-Twin Primary Chaincase Oil is built to meet the demands of Harley-Davidson Touring, Bagger, and Softail riders who expect both power and reliability. Whether you’re running a Road Glide, Street Glide, or Road King, this oil provides the cooling and protection needed for today’s high-performance builds. Compatible with M8 and Twin Cam engines, it ensures quiet operation and smooth clutch feel, making it a must-have for Nowaskey Performance and Hofmann Designs-level builds.

Container Size: 1.05 US quart / 1 liter
Type: Chain Case / Primary Lubricant
Style: V-Twin / Big Twin
Dispenser Type: Bottle
Packaging: 12 per case (sold individually)
Units: Each
Weight: 2.08 lbs
Dimensions (L x W x H): 8.3" x 4.7" x 2.5"