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Upper Thread Diameter: 7/16"
Engine Pro Performance Nitro Black Series Push Rods 3141S9250 Specifications
(Chain Drive) Hydraulic Flat Tappet Cams
Stem Diameter 3/8"
Engine Pro Performance Nitro Black Series Push Rods 3121S7650 Upper Thread Diameter: 7/16"Engine Pro Performance Nitro Black Series Push Rods 3121S7650 Specifications Length: 7. 650 Diameter: 3 8" Wall: . 120 Applies to: N A Description: In response to ever increasing spring pressures and higher rpm's, Engine Pro introduces three new series of push rods in a range of lengths. Made in the USA from one piece seamless thick wall chrome moly tubing, these thicker wall push rods give the extra strength required. These are the first push rods to