COMP Cams 0.560" OD Guide Valve Spring Seat Cutter 1.580" OD Valve Seat Steel/Carbide Universal LY23171 1959-1961 Chevrolet Brookwood

1959-1961 Chevrolet Brookwood

Vehicle Applications: GM Diesel Trucks 07

8-1/2 in Tall x 3-1/2 in OD

Please Note: Pumps will not work on Post 97 Returnless Style Fuel Systems

1985-1986 Cadillac Cimarron

COMP Cams 0.560" OD Guide Valve Spring Seat Cutter 1.580" OD Valve Seat Steel/Carbide Universal LY23171 1959-1961 Chevrolet BrookwoodMost high performance engines today require the use of larger than stock diameter valve springs. This 1. 580" 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. 580" outer diameter while reducing the