BRAKES 1974 P TRUCK STEP VAN VALUE VAN BRAKE SYSTEM USAGE TP249 VEHICLE SPECIFICATIONS BRAKE SPECIFICATIONS OPTIONALLV AVAILABLE MODEL REAR RPO J55 H D N0 W B GVWR WHEELS BASE POWER BRAKES P10542 102 4900 Single JB1 102 5200 Single JB3 JB5 I02 5600 Single JB3 JB5 102 6000 Single JB5 S 1 20842 6800 Single JB6 JB7 7500 Single lB7 8000 Single JB7 P2l042 133 6800 Single JB6 JB7 133 7500 Single JB7 133 8000 Singla lB7 P3084Z 125 7600 Single JB7 JB8 125 8200 Single JB7 JB8 125 9000 Singla JB8 125 9000 Dual JB8 125 10 000 Dual NBB 125 12 000 Dual JB9 125 14 000 Dual JB9 133 7600 Single JB7 JB8 133 8200 Single JB7 JB8 133 9000 Single JB8 133 9000 Dual JB8 133 10 000 Dual JB8 133 12 000 Dual JB9 133 14 000 Dual JB9 F31442 157 7600 Single JB7 JB8 V 157 8200 Single JB7 JB8 157 9000 Single JB8 157 9000 Dual JB8 I57 10 000 Dual JB8 157 12 000 Dual JB9 157 14 000 Dual lB9 Truck has I D Brakes as Std equipment N0 higher brake system available WAREHOUS NG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORAT 0N LT TRUCK 5I REV 2 83 M c 4 000 GROUP