SECTION 7
CAM KITS FOR TWIN CAM
0925-0620
0925-0540
0925-0528
GEAR DRIVE CAM KITS
  • Camshaft gear drive kits increase valve timing accuracy by eliminating timing chain lash and loosely-fit stock chain drive
  • Reverses the rear cam’s direction of rotation, providing additional operating clearance between cam lobes; as a result, higher cam lifts
  • are possible with the gear drive kit
  • Kits include cams, inner gears, outer drive gears, inner and outer bearings, gasket and instructions
  • Material must be removed from the inner surface of the stock gear cover to install S&S gear drive cams
  • A hydraulic press and other professional-level tools are required to install these kits
  • S&S recommends that adjustable pushrod/ cover kit PART #0928-0017 be used
  • Cam bearings and gaskets must be replaced when installing new cams
  • Cams are also available with inner gears only; intended for cam replacement for motors that have already been converted to an S&S
  • gear-drive system
  • Made in the U.S.A.
  • NOTE: Kits require high-performance valve springs (except 509G and 510G) when installed in 99-04 models.
    NOTE: Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance.
    NOTE: Due to the inherent characteristics of gear drives, you may experience more valve train noise.
    CHAIN DRIVE CAM KITS
  • Cams for 00-06 Twin Cam are for use with stock splined drive gears; for installation on 99 Twin Cam motors you must purchase splined outer
  • drive sprocket; S&S recommends that Andrews 4340 steel drive sprocket PART #DS-199175 be used
  • Cams for 06 Dyna and 07-16 Twin Cam are for use with models with hydraulic tensioner chain-drive system; cams 510C and 551C are bolt-in
  • applications, all others require high-lift valve springs
  • Made in the U.S.A.
  • NOTE: Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance.
    HP103 SERIES GRIND CAMS
    MR103 CAMS
  • Bolt-in cam for 103” and 106” Big Bore Twin Cam motors
  • Bolt-in cam for 103” Twin Cam motors
  • Use with stock heads (up to 10.2 compression) and low restriction
  • Use with stock heads and low restriction intake and exhaust
  • intake and exhaust
  • Broad torque curve improves output over stock over the entire
  • Great for lighter bikes with strong power from 3500-6000  rpm
  • rpm range
    PART #
    DESCRIPTION
    SUG. RETAIL PART #
    DESCRIPTION
    SUG. RETAIL
    FOR ALL 07-17 TWIN CAM
    FOR ALL 99-06 TWIN CAM (EXCEPT 06 DYNA GLIDE)
    0925-0835
    HP103 chain drive cam kit
    $314.95 0925-1043
    MR103 chain drive cam kit
    $314.95 OIL FILTERS
    0925-0837
    HP103 gear drive cam kit
    729.95 0925-1049
    MR103 gear drive cam kit
    729.95
    FOR ALL 99-06 TWIN CAM (EXCEPT 06 DYNA GLIDE)
    0925-1055
    MR103 gear drive cam w/ inner gears only
    464.95
    0925-1044
    HP103 chain drive cam kit
    314.95
    0925-1050
    HP103 gear drive cam kit
    729.95 509 SERIES GRIND CAMS
    0925-1056
    HP103 gear-drive cam w/ inner gears only
    464.95 •Bolt-in cams for 88 CID engines with stock compression ration
  • Great low and mid-range torque
  • 475 SERIES GRIND CAMS (OES)
  • Lower lift allows them to be bolted into stock 96”-106” 06 engines with FRAMES &
  • Original equipment specifications
  • stock valve springs
  • Bolt-in cam with stock cam timing
  • Strongest from 1,000-4,500  rpm
  • Does not require tuning
  • 180  psi cranking compression; no need for compression releases
    NOTE: Exempt per Carb Executive Order (E.O.) D-355-14
    P ART  #
    DESCRIPTION
    SUG. RETAIL FENDERS
    PART #
    DESCRIPTION
    SUG. RETAIL FOR 99-06 TWIN CAM (EXCEPT 06 DYNA GLIDE)
    FOR 99-06 TWIN CAM (EXCEPT 06 DYNA)
    0925-0540
    509G gear drive cam kit
    $729.95 PLATE FRAMES
    0925-1015
    475 gear drive cam kit
    $729.95 0925-0539
    509C chain drive cam kit
    314.95
    GRIND
    OPEN
    CLOSE
    DURATION @ .053
    VALVE LIFT
    GRIND
    OPEN
    CLOSE
    DURATION @ .053
    VALVE LIFT
    STOCK CARBURETORS/ INJECTED
    475 SERIES
    Intake
    02°
    34°
    216°
    .473”
    Intake
    34°
    216°
    .475”
    Exhaust
    36°
    04°
    220°
    .473”
    Exhaust
    36°
    220°
    .475”
    HP103 SERIES
    509 SERIES
    Intake
    20°
    49°
    249°
    .575”
    Intake
    18°
    18°
    216°
    .509”
    Exhaust
    45°
    26°
    251°
    .575”
    Exhaust
    46°
    11°
    237°
    .509”
    CAM KITS FOR TWIN CAM continued on next page
    DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.
    SEE PAGE 399 FOR IMPORTANT EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND WARRANTY INFORMATION.
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