Keith Black 390 hypereutectic piston set is standard size and is for a 3.438 bore. Pistons have a compression of 9.0:1.
**Note:Run engine at moderate speeds for at least 500 miles avoiding excessive running in lower gears in order to properly break-in new pistons and rings.
Fits:
FL 1941-1977
Fx 1971-1977
UOM: SET
Country Of Origin: MEXICO
Suggested Items: 11-1368 – 74 Moly Piston Ring Set Standard
Accessory Items:
16-0622 – Ring-O-Matic Ring Compressor Tool Kit
16-0029 – Connecting Rod Clamping Tool
60-0167 – Cylinder Boring Service
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Note: Orders that contain more than one item will be assigned a different processing period for each item.
Before shipping, all ordered items will be thoroughly examined. Most orders are now shipped within 48 hours. The time to deliver varies from 3-7 days.
Returns
We don't manage the stock at our factory and warehouse. Actual stock levels may fluctuate at any time. Be aware that your order is out of stock once the order has been placed.
Our policy lasts for thirty days. If it's been more 30 days since you've purchased your item, we unfortunately can't give you a full exchange or refund.
You are able to return a product in the event that it is not used and in the same condition the day you received it. The item must be in the original packaging.
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