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ENGINE
502
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MODEL NAME YEAR CAM SHAFT DESCRIPTION
MFG#
HONDA CONTINUED
CRF 450R
09 Builder Series: Single cam engine. Good midrange cam for modified engines.
Can be used with stock or aftermarket valve springs, if ignition rev limit is
increased requires spings VSK1009. Uses stock auto decompression mecha-
nism.
1145-BLD
870244 295.95 G
CRF 450R
09 Builder Series: Single cam engine. Good midrange cam for modified engines
that are oversized. Can be used with stock or aftermarket valve springs, if
ignition rev limit is increased requires spings VSK1009. Uses stock auto
decompression
1147-BLD
870246 295.95 G
CRF 450R
09 Builder Series: Single cam engine. Good top end cam for modified engines
that are oversized. Can be used with stock or aftermarket valve springs, if
ignition rev limit is increased requires spings VSK1009. Uses stock auto
decompression m
1148-BLD
870247 295.95 G
CRF 450R
09 Builder Series: Single cam engine. Good low RPM cam for modified engines
that are oversized. Can be used with stock or aftermarket valve springs, if
ignition rev limit is increased requires spings VSK1009. Uses stock auto
decompression.
1149-BLD
870248 295.95 G
CRF 450R 02-06 Stage 1: single-cam motor. Excellent bottom-end and midrange increase.
Improved throttle response. Uses stock auto-decompression mechanism.
Uses stock valve springs.
1016-1
870231 269.95 G
CRF 450R 02-06 Stage 2: single-cam motor. Excellent midrange and top-end increase.
Improved throttle response. Uses stock auto-decompression mechanism.
Uses stock valve springs.
1024-2
870232 269.95 G
CRF 450R 02-06 Stage 3: single-cam motor. Significantly more top-end power than Stage 2.
Will work well for Supermoto and big bore/strokers. Uses stock auto-decom-
pression mechanism. Uses stock valve springs.
1056-3
870233 269.95 G
CRF 450R 10-12 Stage 1 cam: single cam motor. Improved torque below 9000rpm with
improved peak horsepower over OEM cam. Uses stock valve springs, rockers,
and auto decompression mechanism.
1173-1
870250 269.95 G
CRF 450R 10-12 Stage 3 cam: single cam motor. Best suited for engines requiring more
breathing capability. Uses stock valve springs, rockers, and auto decompres-
sion mechanism.
1175-3
870252 269.95 G
CRF 450R 10-13 Builder Series: Single cam engine. Good bottom end cam for modified
engines. Can be used with stock or aftermarket valve springs, if ignition rev
limit is increased requires spings VSK1009. Uses stock auto decompression
mechanism.
1176-BLD
870253 295.95 G
CRF 450R 10-13 Builder Series: Single cam engine. Good midrange cam for modified engines
that are oversized. Can be used with stock or aftermarket valve springs, if
ignition rev limit is increased requires spings VSK1009. Uses stock auto
decompression
1179-BLD
870256 295.95 G
CRF 450R 10-13 Builder Series: Single cam engine. Good top end cam for modified engines
that are oversized. Can be used with stock or aftermarket valve springs,
if ignition rev limit is increased use stiffer intake springs. Uses stock auto
decompression mechanism
1180-BLD
870257 295.95 G
CRF 450R 10-13 Builder Series: Single cam engine. Good low RPM cam for modified engines
that are oversized. Can be used with stock or aftermarket valve springs,
if ignition rev limit is increased use stiffer intake springs. Uses stock auto
decompression mechanism
1181-BLD
870258 295.95 G
CRF 450R 10-15 Stage 2 cam: single cam motor. Same low end power as OEM cam up to
6,000 RPM and improved power from 6,000 to rev limit. Uses stock valve
springs, rockers, and auto decompression mechanism.
1260-2
871028 269.95 G
CRF 450R 13-15 Stage 1 cam: single cam motor. Improved torque below 8000rpm with no loss
in peak horsepower over OEM cam. Uses stock valve springs, rockers, and
auto decompression mechanism.
1259-1
871641 269.95 G
CRF 450X 05-07 Stage 1: single-cam motor. Excellent bottom-end and midrange increase.
Improved throttle response. Uses stock auto-decompression mechanism.
Uses stock valve springs.
1016-1
870231 269.95 G
CRF 450X 05-07 Stage 2: single-cam motor. Excellent midrange and top-end increase.
Improved throttle response. Uses stock auto-decompression mechanism.
Uses stock valve springs.
1024-2
870232 269.95 G
CRF 450X 05-07 Stage 3: single-cam motor. Significantly more top-end power than Stage 2.
Will work well for Supermoto and big bore/strokers. Uses stock auto-decom-
pression mechanism. Uses stock valve springs.
1056-3
870233 269.95 G
CRF 450X 08-15 Stage 1: single-cam motor. Excellent bottom-end and midrange increase.
Improved throttle response. Uses stock auto-decompression mechanism.
Uses stock valve springs.
1101-1
870237 269.95 G
HOT CAMS DIRTBIKE CAMSHAFTS