COMP Cams 1.550" Spring Seat Cutter - Cuts Guide: .630" BR10122 Mopar V6 / Small Block

Mopar V6 / Small Block Mopar / Mopar Early Hemi

Responding to market demand

Carbon Fiber Look

Ford Mustang 2011-13

NASCAR Large Bore

COMP Cams 1.550" Spring Seat Cutter - Cuts Guide: .630" BR10122 Mopar V6 / Small BlockMost high performance engines today require the use of larger than stock diameter valve springs. This 1. 550" Spring Seat Cutter from COMP Cams will allow the engine builder to machine the cylinder head to the proper size for your spring. Each cutter requires the use of an arbor pilot, which are available in three different sizes. This valve seat cutter allows you to enlarge the cylinder head spring pocket to 1. 550" outer diameter while reducing the