Exterior Components› Body Panels and Components
United Engine & Machine Co
BUICK 455 ROD 6.600 STEP DISH 30CC 2V KB HYPER PISTON SET
SKU: U00B KB357.060
Advanced — 4+ hours
Description
These pistons feature a step head design with two valve reliefs and a bore size of 4.372 inches. They include press-fit or floating wrist pins and retainers, with a pin diameter of 1.000 inch. The ring groove thickness is 5/64 in. x 5/64 in. x 3/16 in. This set is sold as a quantity of 8.
Fitment
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Specifications
| Brand | United Engine & Machine Co |
| Part Number | U00B KB357.060 |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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