2003 Polaris Deep Snow Snowmobiles Service Manual, Page 167Get this manual
DRIVEDRIVEN CLUTCHES G(B Modified) Gram Weight: 41.5 PN 5630063
08 Gram Weight: 47.5 PN 5630245
N Gram Weight: 47.5 PN 5630080
O Gram Weight: 51 PN 5610088
Gram Weight: 53 PN 5630174