excellent NOS Mono Blocks. You can't replate these for this price.

New Polaris 1996 XCR 440 SP or 1997 XC 440 Cylinder Part # 3085385. 

bore is 2-11/16" or 68mm

Assemblies where 3085385 is used
1996 XCR 440 SP (0961760) - Cylinder 440 Xcr Sp
1997 440 XC (0971760) - Cylinder

(R)163-12702-01 Robin Genuine Parts Cylinder CP
Polaris 3085385
FUJI Heavy Industries
Made in Japan
New old stock