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510
Rocker Arm
Rocker Arm Shaft for 1966-84 Big Twins.
VT No. 
OEM 
Brand 
U/M
11-0570  17611-66A Sifton 
4
11-0519 17611-66A V-Twin  Each
11-0539  As Above 
Jims 
Each
Rocker Arm Shims fit 1966-84 Big Twin.
VT No. 
Size
12-0704 .005
12-0710 .007
12-0715 .015
Rocker Arms for 1966-84 Big Twin include bushings installed.
VT No. 
OEM 
Type
11-0520  17360-66 
Rear Exhaust, Front Intake
11-0521  17375-66 
Front Exhaust Rear Intake
Sifton Rocker Adjuster Kit stops top end clatter on all 1966-
84 Shovelheads. Kit includes four steel spacers, four tempered 
pre-load spring washers and four no-leak rocker seals. No-leak 
seals are machined of high grade nylon to replace O-Rings on 
1966-84 Big Twin. Will not crack, melt or shrink.
VT No. 
Item
11-0517  Complete kit
14-0148  No-leak seal sets
Rocker Box Assembly for 
1966-84 Shovelheads includes 
covers in chrome or polished 
finish, four arms, four shafts 
and chrome end shaft nuts. 
Assembled.
VT No. 
Finish
11-0577 Chrome
11-0578 Polished
11-0577
11-0520
11-0577
Sifton Rocker Arm and 
Shaft Kit
 fits 1966-84 
Shovelheads includes four 
rocker arms with bush-
ings installed, four shafts, 
shims, spacers, chrome 
replica end caps and nuts.
VT No. 11-0819
Jims Roller Rocker 4 Arm Set features greater strength in 
critical areas, 660 Bronze bushings with a hardened steel roller 
tip. Use stock type rocker arm shafts. Fits Shovelhead 1966-84 
1.50 ratio. 
VT No. 11-0573
11-0570
Rocker Arm Spacer and Shims.
VT No.  OEM 
#  Model 
Item 
Qty
12-2115 17452-66  A  66-84 Big Twin Spacer 
4 pack
12-2122 17450-73  B  66-84 Big Twin Shim 
10 pack
14-0501 11101 
   
O-Ring 
10 pack
Rocker Arm Bushings replace 17428-57. Use on 1966-up Big 
Twin models.
VT No. 
Type
10-0700 
Stock Split
10-2106 
One Piece Sifton
10-0700
10-2106
14-0148
11-0517
11-0521
Shovelhead Top End Kits include
• Prefitted cylinder set
• Late style assembled heads
• Cylinder base nuts
• Assembled rocker boxes in chrome or polished finish
• Rocker box studs and nuts
• Top end gasket set
VT No.  Size 
Rocker Box 
Comp
11-0860  74” 
Polish 
 8.5:1
11-0861  74” 
Chrome 
 8.5:1
11-0862  80” 
Polish 
 8:1
11-0863  80” 
Chrome 
 8:1
Shovelhead Top End Kit