Callies BB Chevy 540 565 Rotating Assembly 13.2:1 Wiseco Nitrous Pistons

CNC-Motorsports 540 - 565 Callies rotating assembly kits were designed for the racer who want's the best. This rotating assembly kit featuring Calliies Magnum crankshaft, Callies Ultra H beam rods, and Wiseco forged pistons.This kit is designed for the racer looking to build all out power backing american craftsmen ship quality. This rotating assembly kit will support 1500 "PLUS" horsepower applications. When you need the best, go with CNC-Motorsports "All American" kits.

Callies Magnum Crankshaft, 4340 Forged Steel "USA", 4.250 Stroke, 2 Piece rear main seal (Gen IV)
Callies Ultra H beam rods "USA", 6.385 Length with ARP L19 Rod Bolts
Wiseco Nitrous pistons, +38cc Hollow Dome, .180 wall tool steel wrist pins (1.270 C/H) *Pistons fit 24 degree conventional head*
Total Seal .043 Steel top rings, 1/16 napier second rings, 3/16 oil rings
High performance H series main and rod bearings included
Pistons are designed specifically for power adder applications
Rotating assembly comes unbalanced, balancing is required before installation.
Compression ratio w/114cc chamber: 13.9:1
Compression ratio w/118cc chamber: 13.2:1
Compression ratio w/123cc chamber: 12.7:1
Short Deck kit, 9.800