STANDARD PULL UNIT INCLUDES: 15 1/2" MANUAL ADJUST PPA, INTERMEDIATE PLATE, 2 - 2" 10 SPLINE HUB - 10 SPRING - 4 PAD DISCS PLATE LOAD: 4000 LB LB/FT TORQUE RATING: 1850 DISC SPRINGS: 10 CORE #: 183 CORE PRICE: $124.00