Callies BB Chevy 540 565 Rotating Assembly Wiseco 8.5:1 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 pistons, -19cc Dish, .180 wall wrist pins (1.270 C/H) *Pistons fit 24 degree conventional head*
Total Seal 1/16 ductile moly top rings, 1/16 second rings, 3/16 oil rings
High performance H series main and rod bearings
Pistons are designed specifically for power adder applications.
Rotating assembly comes unbalanced, balancing is required before installation.
Compression ratio w/114cc chamber: 8.8:1
Compression ratio w/118cc chamber: 8.5:1
Compression ratio w/123cc chamber: 8.3:1
Short Deck kit, 9.800