Premium Primary Chaincase Heavy Duty Oil

Spectro Premium Primary Chaincase Heavy Duty Oil delivers robust protection and superior clutch performance for Harley-Davidson Sportster and Big Twin applications.

Key Benefits

• High load protection: Engineered to withstand severe pressures and heavy-duty use.
• Enhanced clutch engagement: Advanced polymers ensure smooth, consistent engagement and reduced chatter.
• Prevents drag & slippage: Maintains stable film strength and thermal stability to eliminate clutch drag and slippage.
• OEM-compliant: Meets and exceeds original equipment manufacturer warranty requirements.

Why Choose Spectro

Spectro's formulation combines heavy-duty lubricity with temperature-stable polymers for reliable performance under demanding conditions. Ideal for riders who require lasting protection and precise clutch feel.

Recommended for: Harley-Davidson Sportster and Big Twin primary chaincases.