Trend Performance 8.250" Long Pushrod - 3/8" Diameter - 0.080" Wall - Ball Ends - Chromoly 825003 Designed around the Holly 4150

Designed around the Holly 4150 series carburetor

Side B is 3/4"-16

1#) 1974-1985 GM (153 Teeth)

master arming switch

275" thick-walled Hi-Silicon ductile casting

Trend Performance 8.250" Long Pushrod - 3/8" Diameter - 0.080" Wall - Ball Ends - Chromoly 825003 Designed around the Holly 4150Product Description: Pushrod 8. 250 in Long 3 8 in Diameter 0. 080 in Thick Wall Ball Ends Chromoly Sold Individually In 1993 SpinTron emerged, launching a tool to do meaningful research into valve train testing and technology. This testing exposed profound inadequacies in pushrod design. These inadequacies amazed SpinTron creator Bob Fox and his collaborator, the late Randy Dorton. Pushrod design changed irrevocably with Fox establishing his pushrod