.375" Top Extended-Length Expanding Pilots

Goodson Tools & Supplies

Expanding valve guide pilots have a range of up to .020" from smallest to largest dimensions. The come complete with collet and expander (replacement parts available). These extended length pilots are ideal for deep bores.

Replacement Collets Replacement Expanders

NOTE: Do NOT use expanding pilots with multi-angle valve seat cutting systems such as the Goodson 3-D Fast Cut™. They can, however, be used for valve seat grinding.


Proposition 65 Warning
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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Order No. Description Price Quantity
P-312NXL .312" (7.92mm) | .309" to .329" | P-312NXL $56.99
P-343NXL .343" (8.71mm) | .340" to .360" | P-343NXL $56.99
P-375NXL .375" (9.52mm) | .372" to .392" | P-375NXL $56.99