P-312NXL | .375" Top Extended-Length Expanding Pilots
These .375" top Expanding valve guide pilots have a range of up to .020" from smallest to largest dimensions. They come complete with collet and expander (replacement parts available).
Specifications:
- Top: .375"
- Size: .312" (7.9mm)
- Range: .309" to .329"
- OAL: 7.750"
NOTE: Do NOT use expanding pilots with multi-angle valve seat cutting systems such as Goodson 3-D Fast Cut™. They can, however, be used for valve seat grinding.
Product Information
Product Information
Shipping & Returns
Shipping & Returns

P-312NXL | .375" Top Extended-Length Expanding Pilots
P-312NXL | .375" Top Extended-Length Expanding Pilots
These .375" top Expanding valve guide pilots have a range of up to .020" from smallest to largest dimensions. They come complete with collet and expander (replacement parts available).
Specifications:
- Top: .375"
- Size: .312" (7.9mm)
- Range: .309" to .329"
- OAL: 7.750"
NOTE: Do NOT use expanding pilots with multi-angle valve seat cutting systems such as Goodson 3-D Fast Cut™. They can, however, be used for valve seat grinding.
Original: $76.99
-70%$76.99
$23.10Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
These .375" top Expanding valve guide pilots have a range of up to .020" from smallest to largest dimensions. They come complete with collet and expander (replacement parts available).
Specifications:
- Top: .375"
- Size: .312" (7.9mm)
- Range: .309" to .329"
- OAL: 7.750"
NOTE: Do NOT use expanding pilots with multi-angle valve seat cutting systems such as Goodson 3-D Fast Cut™. They can, however, be used for valve seat grinding.











