If all Connecting Rods are not being replaced
631GC5133M9
PAI LRV-3642 MACK 745103028 VALVE
Torque Rod Bushing (2-1/2" x 4-3/8" x 5/8") (Style 1 in Chart)
22-1/2in Center to Center
PAI 803717 MACK 34RC449R SHOULDER BELT (CH / CX) ERK-8017-514 If all Connecting Rods arePAI 803717 MACK 34RC449R SHOULDER BELT (CH CX) Product Details : Select Mack Applications : CH CX Models. OEM Reference : Mack 25084084, 34RC426, 34RC426R, 34RC449, 34RC449P1, 34RC449R, 34RC449RP1, 4103 5000418034, 4103 5000419479, 5000418034, 500419, 25084084. Please do not hesitate to contact us with your vehicle, engine and or part(s) details to determine if this product is appropriate for a particular engine and or application. PAI Industries :