Item Type:PinlessForwardAccumulatorPistonKitMaterial: MetalFitment: Fit for 4L60E 4L65E 4L70E Transmission .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Applicable Model: Pinless accumulator piston kit fits for 4L60E 4L65E 4L70E Transmission. Please confirm whether your model is applicable before buying. 2Package Contents: This set includes 3pcs pinless forward accumulators (FWD 12 and 34), 6pcs sealing rings and 6pcs steel balls. 3Professional Design: Pinless design eliminates the possibility of pin leakage and the extra length stabilizes the piston and prevents it from cocking. 4With Seal and Steel Ball: Double seals stabilize and completely seal the bore, providing a tight seal even after thousands of cycles. With steel balls for plugging existing pin bore in valve body. 5Metal Construction: Transmission accumulators are constructed of high strength metal material, rugged structure, not easy to deform and rust.