Precision in design and manufacturing, these are hardened lifters that will fit virtually all Briggs 5 hp blocks The 6190 is .100" longer over stock in dimension
Dual Valve Spring Kit for Briggs 5hp Flat Head
31 lbs. of pressure at 1.00" installed height
43 lbs. of pressure at 0.925" installed height
60 lbs. of pressure at 0.825" installed height