Colony 9917-8 Rocker Arm Stud Kit engine-pistons-piston-rings Purchase 2 and use to

Purchase 2 and use to align rocker boxes on Evolution style heads

Most fuel injected engines run very lean and this is fine except for when demanding maximum power output on the track

or TFSI Engine

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Colony 9917-8 Rocker Arm Stud Kit engine-pistons-piston-rings Purchase 2 and use toH D#17647 48 High quality studs with interference threads are duplicate of OEM parts. Package of 8 studs cover 1 cylinder head. Parkerized. Vehicle Fitment: 1948 1950 Harley Davidson E 1948 1952 Harley Davidson EL 1948 1950 Harley Davidson F 1948 1964 Harley Davidson FL 1953 1964 Harley Davidson FLF 1965 Harley Davidson FLFB Electra Glide 1958 1964 Harley Davidson FLH Duo Glide 1955 1957 Harley Davidson FLH Hydra Glide 1965 Harley Davidson FLHB