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| Product Details |
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Applications:
- B16
- B17
- B18
- B18A1
- B18B1
- B20
- B20A
- B20B
Part Numbers:
- Main Bearing - 5M1959H-STD
- Rod Bearing - 4B1946H-STD
- Thrust Washer - 1T1957-STD
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Specifications: 
The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings.
Designed to withstand higher RPM conditions, ACL Race Series Engine Bearings are available for many of the popular 4, 6 & 8 cylinder applications and feature:
- High strength overlay plate with reduced thickness for improved fatigue properties
- Hardened steel backs on all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing.
- Increased crush for improved bearing retention
- Elimination of flash plating on the back of the bearings to improve heat transfer through the bearings and to maximize the grip between the bearings and its housing.
- Increased eccentricity to compensate for bore distortion at high rpm and to assist in the formation of hydrodynamic oil films.
- 3/4 grooved Main Bearings to optimize bearing load carrying surface area and oil flow to the conrod bearings.
- Tight consistent wall tolerances to help you maintain consistent clearances.
- Enlarged ID chamfers on bearing edges where required to accommodate large fillet radius on performance crankshafts.
Need to measure your clearances? Try ACL Flexigauge.
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| Shipping |
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| -WE WILL ONLY SHIP TO THE ADDRESS ENTERED DURING CHECKOUT.
-All items will be shipped via USPS. Signature confirmation is required for all purchases over $99. International items will ship through USPS Priority Mail International which require your telephone number for delivery confirmation.
-Orders will be shipped out Monday to Friday (except Holidays). Most orders will be shipped within 1 to 3 business days after full payment is received and cleared.
-Import duties, taxes, and brokerage fees are not included. Please contact the shipping carrier and your local customs office regarding these fees.
- Buyer will be responsible for the cost of reshipping the item if the shipping address was entered incorrectly or unclaimed. |
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| Returns |
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| Any merchandise returned to Performance 2.0. must have a prior approval. All returns must be sent freight prepaid by the customer. Returns must be in the original box, in original packaging in 100% NEW condition. If returns do not meet all of the above criteria, it will be rejected by seller at the expense of the buyer. All merchandise returned is subject to a 20% restocking fee. Only the purchased price minus the initial shipping will be returned. No returns accepted after 14 days. Please check the shipping and payments tab for additional information. |
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| Feedback |
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| We work very hard to offer a quality product at a competitive price. However, we understand that mistakes can happen and incidents do occur. For us to keep those competive prices, we ask that prior leaving any negative feedback please allow us the opportunity to resolve your concerns as we are happy to be of assistance. |
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