P-312NX | .375" Top Expanding Pilots
Expanding valve guide pilots have a range of up to .020" from smallest to largest dimensions. Come complete with collet and expander (replacement parts available).
Specifications:
- Top: .375"
- Size: .312" (7.92mm)
- Range: .309" to .329"
- OAL: 6.500"
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.
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Product Information
Shipping & Returns
Shipping & Returns

P-312NX | .375" Top Expanding Pilots
P-312NX | .375" Top Expanding Pilots
Expanding valve guide pilots have a range of up to .020" from smallest to largest dimensions. Come complete with collet and expander (replacement parts available).
Specifications:
- Top: .375"
- Size: .312" (7.92mm)
- Range: .309" to .329"
- OAL: 6.500"
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.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Expanding valve guide pilots have a range of up to .020" from smallest to largest dimensions. Come complete with collet and expander (replacement parts available).
Specifications:
- Top: .375"
- Size: .312" (7.92mm)
- Range: .309" to .329"
- OAL: 6.500"
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.











