Going Fast Isky Racing 507st Valve Spring Retainers, For 1.530 Od Valve Springs Accessory [JTEBun5y]

Isky Racing Cams designed these 507ST Valve Spring Retainers for use with 1.530 in. dual springs. They are manufactured from 4130 Chrome Moly steel and have a black oxide finish. Specially heat treated, they are ideal for street or highly stressed applications.

Isky Racing Cams 507ST Valve Spring Retainers Specs:

• Retainer Material: 4130 Chrome Moly Steel
• Intended Outside Diameter of Outer Spring: 1.530 in.
• Retainer Style: Standard
• Valve Spring Style: Standard
• Lock Style: 7 degree
• Locks Included: No
• Outside Step Diameter: 1.080 in.
• Inside Step Diameter: 0.735 in.
• Number of Springs per Valve: Dual
• Quantity: Sold as a set of 16

Isky: Race With The Legend! As the world's largest racing, performance, and economy cam manufacturer, Isky maintains a dynamometer testing program for constant improvement of camshaft and valve train design. This testing assures the consumer of accuracy and quality control unparalleled in the industry. With Isky you can always count on the highest quality materials in all our products, the newest advancements and the finest workmanship available.