Chrome Moly Steel retainers 1.080" OD, .735" ID (.060" Higher than 507-ST) ISK50 Turbosmart Universal Internal WG 560 Compression Ratio with 58cc

560 Compression Ratio with 58cc chamber volume: 9

ISK9999RAD

58 oz (47 ml) Height: 5 in (127 mm) Inner Wire: Yes Outside Diameter: 9 in (229 mm) Total Height: 10 in (254 mm)

500-600 TR3550

Severe-Duty Cutaway Roller Lifters are lighter than the original lifters and available with offset pushrod seats

Chrome Moly Steel retainers 1.080" OD, .735" ID (.060" Higher than 507-ST) ISK50 Turbosmart Universal Internal WG 560 Compression Ratio with 58ccChrome Moly Steel retainers 1. 080" OD, . 735" ID (. 060" Higher than 507 ST)For 5005, 6005, 6105, 6205, 8005 A, 8305, 9005, 9105, 9265 Valve Springs ISK507 STA K507 STA Isky 4130 Chrome Moly Light Weight Steel Valve Spring Retainers are ideal for street and highly stressed competition applications. They are specially heat treated and black oxide finished to protect against corrosion. Set of 16 4130 Chromemoly steel retainers.