Dart SHP Pro Short Block - Callies Magnum CCW, Diamond Race Pistons

THREE OF THESE SHORT BLOCKS ARE CURRENTLY IN STOCK This is the short block set we use for most of our big power builds. John McGhee from Cutaway Racing was with us at PRI 2023.  Listen to him explain why he likes this build so much and the derivative long block topped with our All Pro CNC ported heads: Dart SHP Pro Block - 4.125" bore 30% Higher Tensile Strength than the Original Dart SHP Block Callies' Fully Counterweighted (CCW) Magnum Crankshaft Calico Coated Rod and Main Bearings   Dyers NH 300M or Callies Ultra Connecting Rods - H-Beam or I-Beam Enforcer Diamond R-Series 2,000HP Rated Pistons .225 Wall Wrist Pin Available with Either 15 Degree (LS3) or 12 Degree (LS7) Valve Reliefs The Dart LS Next SHP Pro is the newest in Dart's line of LS Next engines blocks. The difference between the "Pro" and the SHP LS Next block are the metallurgy and standard main studs instead of bolts. The Pro has a higher nickel content for 30% higher tensile strength. Bottom Line:  we use