Action Clutch ACR-0947 Stage 1 Clutch Kit (1OS) Mazda RX-4 1974-1978 1.3L 13B-AP

The Action Clutch ACR-0947 is a Stage 1 (1OS) performance clutch kit engineered specifically for the 1974-1978 Mazda RX-4 equipped with the 1.3L rotary engine (13B-AP). This complete clutch kit is designed for vehicles ranging from stock to basic bolt-on modifications, making it ideal for heavy-duty street use and mild track applications.

Performance Features:

• 70% increased holding capacity over factory clutch kit
• Reinforced steel-backed copper kevlar organic friction material for enhanced durability
• Single diaphragm heavy-duty pressure plate for improved clamping force
• Maintains OEM-like pedal feel with smooth, reliable engagement
• Patented fully enclosed spring retainers prevent catastrophic failure
• SFI Spec 1.1 certified for racing applications

Complete Kit Includes:

• Heavy-duty pressure plate
• Full-face sprung organic clutch disc
• Premium release bearing
• Premium pilot bearing (when applicable)
• Clutch alignment tool

Action Clutch designs, engineers, assembles, tests, and inspects every product in the United States. Each kit is quality-checked by experienced engineers with over 60 years of collective expertise and signed off as safe before release. This Stage 1 kit provides the perfect balance of performance and drivability for street-driven rotary-powered RX-4s while offering the durability needed for occasional track use.

Break-In Requirements: Proper break-in is required to retain warranty and ensure longevity. Drive 500 street miles keeping RPMs under 4500 and using no more than half-throttle during the break-in period.

Note: Designed for naturally aspirated and lightly modified rotary engines. Selecting the appropriate clutch kit for your power output is critical to prevent premature failure and maintain warranty coverage.