FUEL PUMPS KITS Cont d REPAIR PUMP KITS DIAPHRAGM KITS YEAR MODEL f Production I Service Exc Arm Fuel I Vacuum CHEV GMC TRUCK Heavy Duty Cont d 1963 64 All W 292 6 Cyl Exc Vacuum Booster Rs7a 0412 Equip 6414858 6962 6414384 6414387 R467 0337 1963 64 Ail W 409 V 8 5621671 4665 5622175 5622176 1964 All W 230 6 Cyl Exc Vacuum Rz71 Dz7a Booster Equip 6414992 6760 5593568 5621148 NOTE 1963 FIRST JOBS ONLY NO SIMILAR PART ON AFTER JOBS O THE El PUMP IS TH E HEART OE ANY ENGINE Accurate control of spring tensions and temper Multi layer patented impregnation diaphragms of f special airplane cloth or a single layer formed diaphragm which is used for specific applications 4 Uniform pull rod hardness at the link slots tO High and controlled pin 71 O hardness Carefully finished and hard ened rocker arm pads lo cated to center on camshaft eccentric Rocker arm and link contact surfaces are precision ground and hardened for long life O Diaphragm life increased by sealing out hot oil vapors