JIMS, Shovelhead 'Slim JIMS' aluminum adj. pushrod set - 66-84 Shovelhead with OEM style hydraulic units (NU) 3001 OEM 25579-52 bushing kit

OEM 25579-52 bushing kit

which is an achievement in itself

Just cut the loop to the desired length and weld

The inline enrichener contains electronics that alter the signal that is sent from the O2 sensors to the ECU

The set-back seating position

JIMS, Shovelhead 'Slim JIMS' aluminum adj. pushrod set - 66-84 Shovelhead with OEM style hydraulic units (NU) 3001 OEM 25579-52 bushing kitFor models with OEM style hydraulic units only for use with stock hydraulic or equivalent tappet assemblies. Manufactured from aerospace heat treated quality blue anodized aluminum tubing. Extra thin to prevent rubbing against the pushrod covers. Replacement for the OEM steel 17904 66 pushrods to help reduce reciprocating mass.