Action Clutch ACR-3837 Stage 1 Single Organic Clutch Kit (1OS)

The Action Clutch ACR-3837 is a Stage 1 Single Organic Clutch Kit (1OS) engineered for vehicles running stock to basic bolt-on power levels. Designed as a direct-replacement performance upgrade over a worn or stock clutch, this kit delivers a significant increase in clamping force while preserving the smooth, OEM-like pedal feel drivers expect for daily street use.

Key Features:

• Steel-Backed Copper Kevlar Organic Friction Disc — runs cooler than plain organic material, transfers power smoothly across street RPM ranges, and breaks in without aggressive bedding procedures required by ceramic or puck-style discs
• Single Diaphragm Heavy-Duty Pressure Plate — delivers up to 70% increased holding capacity over the factory clutch while maintaining a light, linear pedal feel
• Patented Fully Enclosed Spring Retainers — prevents torsional damper springs from escaping under load, a known failure point on budget clutch kits
• Sprung Hub Design — absorbs driveline shock for smooth, chatter-free engagement
• SFI 1.1 Certified — meets SFI Foundation safety standards for performance clutch assemblies
• 100% Dynamically Spin Balanced — computer spin balanced to within 0.25 oz-in for smooth operation across the entire RPM range

What's Included:

• Stage 1 Sprung Organic Clutch Disc (1OS)
• Single Diaphragm HD Pressure Plate
• Conventional Release Bearing
• Pilot Bearing / Bushing (when applicable)
• Clutch Alignment Tool

Break-In Requirements: 500 street miles. Keep RPM under 4,500, no more than half-throttle, and no boost (if applicable) during break-in. Proper break-in is required to retain product warranty and ensure full holding capacity.

The Action Clutch Stage 1 (1OS) is ideal for heavy-duty street use and mild track applications. It is recommended for naturally aspirated vehicles or lightly built cars that need more grip than a stock clutch without sacrificing everyday drivability.