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home » cylinder heads » nissan
SR20 (S13)
- Accepts s.t.d. or oversize valves
- 100% fully c.n.c. ported
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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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.450”
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Intake c.f.m.
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94
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170
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223
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251
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260
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E xhaust c.f.m
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87
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155
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177
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194
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198
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RB26
- Accepts s.t.d. or oversize valves
- 100% fully c.n.c. ported
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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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.435”
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Intake c.f.m.
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97
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179
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247
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280
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285
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E xhaust c.f.m
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83
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146
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173
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188
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192
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