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| ALL LIFTS MEASURED AT 1.5:1 ROCKER RATIO |
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| Part # Application Stamp Duration (In./Ex.) Centerline(In./Ex.) Lift(In./Ex.) Valve overlap |
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| 524009 64 GTO/421 C 273/289 113/113 .407/.407 54 |
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| 529472 59-64 4bbl. D 273/282 106/116 .407/.411 55 |
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| 9785744 66-69 RA H 301/313 113/118 .407/.407 76 |
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| 480737 73 455 SD K 308/320 112/115 .470/.470 87 |
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| 9770543 63-64 421 HO L 288/301 113/119 .407/.407 63 |
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| 9779066 65-76 V8 N 273/283 107/116 .407/.407 55 |
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| 9779067 65-76 4bbl P 273/289 112/113 .407/.407 54 |
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| 9779068 65-72 3x2/HO S 288/302 113/119 .407/.407 63 |
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| 9794041 68-70 RAII/RAIV T 308/320 112/115 .470/.470 87 |
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| 493323 73-74 455 SD Y 301/313 113/118 .407/.407 76 |
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| 524886 56-62 3x2 6 283/293 112/116 .407/.407 60 |
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| 549112 78-79 tA 6.6 ~~ 274/298 ~~/~~ .364/.407 ~~ |
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| THE FOLLOWING CAMS ARE ALL SOLID LIFT |
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| 545713 69 RAV V 308/320 112/115 .453/.447 87 |
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| 535480 60 389 SD 7 300/304 112/115 .405/.404 75 |
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| 540233 61-62 389 SD 8 308/312 112/115 .405/.404 83 |
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| 541596 62-63 421 SD 10 308/320 112/115 .405/.404 87 |
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| 542992 63 421 SD 11 312/324 112/115 .405/.404 91 |
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| 545319 63 421 SD 12 308/324 112/115 .405/.404 89 |
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| THESE SPECS GATHERED FROM "PONTIAC HEAVY-DUTY PARTS & SPECS" H.O. RACING SPECIALTIES, INC. |
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