AP1003 Red Spring 2 Required
1750 RPM Engagement (Light Shoes) 2050 RPM Engagement (Heavy Shoes)
AP1004 White Spring 2 Required
2000 RPM Engagement (Light Shoes) 2350 RPM Engagement (Heavy Shoes)
AP1005 Blue Spring 2 Required
2250 RPM Engagement (Light Shoes) 2600 RPM Engagement (Heavy Shoes)
