Isky Valve Spring Set 235D; Single Spring 1.260 in. OD, 130 lbs @ 1.750 in.

Isky Racing Cams 9315 Standard Dual Valve Spring Set Outer OD/ID: 1.550 in./1.13

Isky Racing Cams 235D Valve Spring Set

Engine Valve Spring Kit-OEM Replacement Valve Spring Set ISKY 235D

Isky 235D Valve Springs

ISKY Cams 347-ST Valve Spring Retainer

Isky 235D Valve Spring, Single Spring / Damper, 350 lb/in Spring Rate, 1.150 in

Isky Racing Cams 235D OEM Replacement Valve Spring Set