I purchased a set of 6.385 Callies Compstar Rods off of EBay and 3 in the box were 6.535.

Big End weight is 586, Small End is 245

They are brand new.

Compstar 4340 Forged H-Beam Rods

Part Type: Connecting Rods

Application: Chev BB
Connecting Rod Beam Style: H-Beam
Material: SAE 4340 Steel
Connecting Rod Finish: Shot-Peened
Magnafluxed: Yes
Connecting Rod Length Center to Center: 6.535”
Connecting Rod Journal: 2.200”
Housing Bore: 2.325”
Pin Bore Diameter: .990”
Big End Width: .990”
Pin End Width: 1.050”
Remanufactured: No
Pin Fit: Bushed
Typical Rod Weight: 820g
Cap Alignment: Alignment Sleeve
Stroker Clearanced: Yes
Fastener Type: Cap Screw
Fasteners: 7/16” ARP L-19
Fastener Head Style: 12 Point
Fastener Yield Strength: 230,000 psi
Fastener Torque: 92 ft/lbs. with ARP moly lube on threads