A set of precision engineered big end bearing shell shells equivelent to Part No. 574-10320, comprising shells 8-4-26 and 5-1/D19, suitable for 8-1, 16-2, Start-O-Matic and all the CS engines fitted with the heavy kidney holed flywheels. Complete with oil grooves cut in the white metal for lubrication. Four sizes are available, standard for a 2.5' crankpin and then in 0.010" oversize increments for those who need to compensate for a worn crankpin after a re-grind.

 

Please purchase shims separately to enable you to adjust the nip/clearance which should be no more than 0.003".