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home » cylinder heads » chev sm block » racer pro 23°
RACER PRO 23°
- Std intake and exhaust location
- Intake valve 2.080 exhaust valve 1.600/1.625
- 68cc chamber volume
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Valve lift
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.100”
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.200”
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.300”
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.400”
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.500”
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.550”
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.600”
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.650”
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.700”
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.750”
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Intake c.f.m.
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71
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140
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198
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248
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278
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288
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293
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301
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305
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308
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E xhaust c.f.m
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63
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109
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155
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187
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210
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216
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221
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227
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229
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230
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