Manley 10 Degree Valve Spring Retainer - 1.175 in / 0.750 in OD Steps - 1.625 in Dual Spring - Plus 0.100 - Titanium - Set of 16 H88602CB3L This is why race car

This is why race car drivers change spark plugs between heats: The multiple sharp edges of the E3 DiamondFire design create better combustion when new and keep their edge "sharpness" for a considerable time

62104 1987 Chevrolet Blazer Custom Deluxe V8 350 5

Not recommended for alcohol based fuels

see part 52612-S550

GM Gen 4 396/402/427/454 Big Block

Manley 10 Degree Valve Spring Retainer - 1.175 in / 0.750 in OD Steps - 1.625 in Dual Spring - Plus 0.100 - Titanium - Set of 16 H88602CB3L This is why race carManley titanium valve spring retainers are manufactured from special heat treated 6AL 4V titanium alloy, selected to deliver maximum strength and reliability. These retainers are excellent for all types of racing, and are designed for valve stem locks with a 10 degree taper. Manley Performance high performance and racing engine parts have been powering winners since 1966. Since our inception in March 1966, Manley Performance Products has been at the