Valve Guide Flex-Hones

Put down a plateaued finish after sizing your valve guides. 10" overall length. Available in 180 and 320 grits. Order by size and grit. For sizes not listed order next larger size.

Part# BC5mm (.197") BC5.5mm (.217") BC6.4mm (1/4") BC7mm (9/32") BC8mm (5/16") BC9mm (11/32") BC9.5mm (3/8") BC10mm (13/32") BC11mm (7/16")

Lifter Bore & Brake Cylinder Flex-Hones

8" overall length. Available in 180 and 320 S/C. Order by size and grit.

Part# BC12mm (.472") BC1/2" (12.7mm) BC14mm (.552") BC5/8" (16mm) BC18mm (.709") BC3/4" (19mm) BC20mm (.787") BC7/8" (22mm) BC15/16" (23.8mm) BC1" (25.4mm) BC1-1/8" (29mm)

For sizes not listed order next larger size

Cam Bore & Small Cylinder Flex-Hones

10" Overall Length. Available in 180 & 320 S/C For sizes not listed order next larger size.

Part# BC1-1/4" (31.8mm) BC1-3/8" (35mm) BC1-1/2" (38mm) BC1-5/8" (41mm) BC1-3/4" (45mm) BC1-7/8" (47.6mm) BC2" (51mm) BC2-1/8" (54mm) BC2-1/4" (57mm) BC2-3/8" (60mm) BC2-1/2" (64mm) BC2-5/8" (66.7mm) BC2-3/4" (70mm) BC2-7/8" (73mm) BC3" (76mm)

Standard Duty Cylinder Flex-Hones

3-1/2" hone length, 12" overall length. Available in 180 and 320 S/C. Order by size and grit.

Part# GB3-1/4" (83mm) GB3-1/2" (89mm) GB3-3/4" (95mm) GB4-1/8" (105mm) GB4-5/8" (118mm)

For sizes not listed order next larger size

Heavy Duty Cylinder Flex-Hones

5" hone length on 3" to 3-3/4", 6" hone length on 4" and bigger, 12" overall length. Available in 180 and 320 S/C. Order by size and grit.

Part # GBD3" (76mm) GBD3-1/4" (83mm) GBD3-1/2" (89mm) GBD3-3/4" (95mm) GBD4" (101mm) GBD4-1/4" (108mm) GBD4-1/2" (114mm) GBD5" (127mm)

For sizes not listed order next larger size

Flex-Hone Oil

Specially formulated for use with Flex-Hones. Contains a blend of honing and lapping oils.

Part# FHP 1/2 pint can FHQ 1 quart can FHG 1 gallon can

You can identify the grit of your Flex-Hone by the color of its tip.

Special Order Grits 120 = No Paint 240 = Navy Blue 400 = Yellow 600 = Pink 800 = Light Blue

Stocking Grits 180 = Red 320 = White