| Jims Roller Rocker Arms |
| Produced from aerospace quality 4340 chromoly steel. These roller rocker arms are heat treated using Jim’s special technique to that provides a lighter and stronger rocker arm. Features full oiling of the roller tip, valve springs and pushrod tip. |
| TEC # | Fits: Twin Cams, Big Twins ‘84+, XL ‘86+, Buell ‘87+ & S & S motors | Jims # |
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| 89420 | 1045RR | ||
| Roller rockers ratio 1.625 | |||
| 89421 | Fits: Twin Cams, Big Twins ‘84+, XL ‘86+, Buell ‘87+ & S & S motors | 1731 | |
| Roller rockers ratio 1.745 | |||
| * Bolt in roller rockers that may require modification of the heads and rocker boxes. | |||
| 89422 | For Big-Twin ‘66-84, aftermarket and S & S motors | 1732 | |
| Shovelhead 1.50 ratio | |||
| Jims Roller Rockers & Shafts |
| TEC # | Fits: Twin Cams, Big Twins ‘84+, XL ‘86+, Buell ‘87+ & S & S motors | Jims # |
|
| 89374 | 17611-83 | ||
| Std O.D. .554” | |||
| 89414 | Fits: Same as above but for Race applications | 17611-83H | |
| Grease hole at 1 end | |||
| Grease hole fitting thread is 1/4”-20 Designed for bikes using a dry top end | |||
| 89422 | For Big-Twin ‘66-84, | 17611-66B | |
| Shovelhead Std O.D. .937” on big end, smaller end is .434” | |||
| 89392 | For Sportster 1957-85 | 17435-57B | |
| Ironhead XL Std O.D. .937” on big end, smaller end is .434” | |||
| Jims Rocker Arm Bushing |
| TEC # |
Early rocker arm bushing.
(no Mill slot) Fits: Twin Cams, Big Twins ‘84+, XL ‘86+, Buell ‘87+ & S & S motors *Set of 8, I.D. is .557” intended for hone |
Jims # |
Pictures to Come
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| 89372 | 17428-83K | ||
| 89375 |
Early rocker arm bushing.
(w/ Mill slot) *Set of 8, Ream to fit *Use on Big-T ‘66-84 & XL ‘57-85 |
17428-57K | |
| 89423 |
Rocker arm bushings for
custom applications. *Set of 8, Ream to fit, O.D. is .790” *Works in Crane rocker arms with I.D. .785” |
17428-CCK | |