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DOUGHERTY |
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RACING CAMS |
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Porsche 356/912 camshafts |
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DRC can repair factory 356 and 912 camshafts. Some
of the |
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listed performance grinds can be made using factory
cores. |
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Original factory tappets can be resurfaced to as new
condition |
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Name |
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Duration |
Valve Lift |
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Lobe |
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Advertised |
Intake Exhaust |
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Centers |
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DR-256 |
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256/256 |
.384" |
.335" |
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107.5 |
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DR-266 |
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266/266 |
.395" |
.343" |
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109 |
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DR-270 |
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270/270 |
.416" |
.362" |
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108 |
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DR-274 |
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274/274 |
.416" |
.362" |
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108 |
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DR-280 |
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280/280 |
.433" |
.376" |
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108 |
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DR-282 |
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282/282 |
.461" |
.401" |
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108 |
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DR-286L |
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286/286 |
.433" |
.376" |
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108 |
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DR-286H |
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286/286 |
.480" |
.417" |
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108 |
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DR-290L |
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290/290 |
.435" |
.370" |
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108 |
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DR-290H |
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290/290 |
.474" |
.412" |
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108 |
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DR-294 |
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294/294 |
.440" |
.381" |
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108 |
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DR-300 |
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300/300 |
.473" |
.411" |
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106 |
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DR-304 |
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304/304 |
.481" |
.418" |
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106 |
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DR-312 |
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312/312 |
.535" |
.465" |
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106 |
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REPAIRED FACTORY CAMSHAFT |
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NEW FINISHED CASTING |
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UNFINISHED CASTING |
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Copyright
© 2004 John Dougherty Racing Cams. Reproduction of contents is a violation of
applicable laws. All rights reserved. |
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Not affiliated with
Porsche of North America nor Porsche AG |
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