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H22 DOHC VTEC CAMSHAFTS
 With a 20% stronger core design for 2005, Crower, with over 50 years of camshaft experience, offers a wide variety of H22 profiles with the most aggressive ramp speeds in the industry. These are new, premium Crower cores that exceed factory specs for hardness and longitudinal strength, not factory regrinds. Available in Stage 1, Stage 2 and Stage 3 profiles as well as a proven forced induction grind. Custom profiles also available. |
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| Part# |
Description |
Advertised Duration |
Duration @ .050" |
Gross Lift w/1.55 |
| Stock |
Specs from H22 US Spec |
Int- 288 mid
Exh-308 mid |
Int- 231 mid
Exh-234 mid |
Int- 448 mid
Exh-415 mid |
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| Stock |
Specs from H22 JDM Spec Type S |
Int- 309 mid
Exh-315 mid |
Int- 230 mid
Exh-230 mid |
Int- 469 mid
Exh-438 mid |
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| 63420-2 |
| Stock replacement |
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Factory spring OK for street use with stock rev limit. |
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Int- 305 mid
Exh-323 mid |
Int- 232 mid
Exh-234 mid |
Int- 445 mid
Exh-417 mid |
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63421-2
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| Stage 1 - Street Use (12-15 hp) |
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Factory spring OK for street use with stock rev limit. |
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Int- 307 mid
Exh-318 mid |
Int- 238 mid
Exh-238 mid |
Int- 459 mid
Exh-428 mid |
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63421T-2
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| Stage 2 - Turbo / Super Charger special |
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Short duration, low overlap, high lift for increased performance. |
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Spring/Retainer Kit 84167 required. |
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Int- 308 mid
Exh-309 mid |
Int- 233 mid
Exh-235 mid |
Int- 463 mid
Exh-448 mid |
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| 63422A-2 |
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Features 63422-2 Stage 2 VTEC lobes with stock idle lobes for improved street performance. |
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Spring/Retainer Kit 84167 required. |
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Int- 311 mid
Exh-308 mid |
Int- 255 mid
Exh-248 mid |
Int- 468 mid
Exh-467 mid |
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63422-2
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| Stage 2 - Road/Rally & Street/Strip (15-18 hp). |
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Spring/Retainer Kit 84167 required. |
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Int- 311 mid
Exh-308 mid |
Int- 255 mid
Exh-248 mid |
Int- 468 mid
Exh-467 mid |
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63423-2
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| Stage 3 - All-Motor Drag profile (22+ hp w/other mods). |
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Most aggressive ramp speeds on the market. |
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Int- 316 mid
Exh-312 mid |
Int- 263 mid
Exh-255 mid |
Int- 468 mid
Exh-468 mid |
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| 00065-2 |
Custom and proprietary grinds available, contact factory for specs. Note: At .500" valve lift retainer hits valve guide in stock head configuration. |
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| Note: |
The Crower spring/retainer kit 84167 features a +.060" installed height retainer to allow more spring travel. This added installed height may interfere with the bottom of the rocker arms. If that occurs, you must machine the underside of the rocker arms for proper travel. |
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CAMSHAFTS
VALVETRAIN