When installing racing camshafts with increased stroke, it is absolutely necessary to install HIGH PERFORMANCE valve springs. Otherwise the valves will \flutter\" at higher speeds and can be damaged. We always supply a complete kit for a one cylinder head."
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Manufacturer information:
APE
Rosamond Blvd. 7347
Alabama
CA, Rosamond, Vereinigte Staaten, 93560
https://
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