Description: ACL STD High Performance Main Bearing Set for VW/Audi 1781cc/1984cc #5M1644H-STD Description BRAND NEW IN BOX5M1644H-STD; ENGINE BEARINGS CON ROD BEARING SETMAIN BEARING SETPart#Part#4B1606H5M1644HSizesSTD, .025, .25, .50STD, .25, .50Oil ClearanceStandardStandardHalf TypeIdentical HalvesUpper & LowerMaterialTri-metal Hardened steel backsTri-metalMin Std Shaft Size1.8802in / 47.758mm2.1243in / 53.958mmMax Std Shaft Size1.8810in / 47.778mm2.1251in / 53.978mmMin Std Tunnel Size1.9921in / 50.600mm2.3228in / 59.000mmMax Std Tunnel Size1.9929in / 50.619mm2.3236in / 59.019mmMax Wall at Crown0.0553in / 1.405mm0.0985in / 2.502mmMax Overall Length0.748in / 19.00mm0.728in / 18.49mmNotescontains one oil holeSet contain 6 x 1648H and 4 x 1644H shells. Use 1648H shell in #4 position as upper and lower. One often overlooked part when building an engine is the bearings. Getting a quality set of bearings can directly determine the longevity of your engine. We prefer to use ACL Race Bearings in all of our cars, and suggest them to all of our customers as well. ACL Race Series Performance Engine Bearings 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 Features:High strength overlay plate with reduced thickness for improved fatigue propertiesHardened 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 retentionElimination 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. Ask us about saving money with our PACKAGE DEALSCP Cometic ACL Ferrea and ARP KitsCustom Made Package DealsAEM Package DealsPackage DealsAsk us about combining purchases for package deal auctionsPistonsRodsBearingsHead and Main Studsand more...ShippingWe ship via UPS/USPS/FEDEX/ONTRAC ground depending on the address of buyer unless instructed to do differently.We also offer expedited shipping at an extra cost.International shipping rate applies to addresses in all other locationsCustom/duty/brokerage fees, if any, on Canada and international orders are the responsibility of the buyer.Item ships within one business day after the payment has cleared or same day if paid by 12pm PST unless additional handling stated. Item purchased is shipped from West or East Coast Warehouses of ours depending on availability.There's a shipping surcharge for shipments going to USPS PO Boxes, AF/APO boxes and any address that is out of 48 lower states. Please contact prior to get a shipping quote.We strive to ship your order in a prompt manner to meet the criteria for shipping time that we specify in the Item information.Ebay Promotional Shipping is good for shipments going to 48 lower states only.We offer a variety of shipping options based on what product you are purchasing and your desired time frame for delivery to meet the needs of all of our customers.Shipping charges are non-refundable.We will gladly combine shipping charges to one charged based on the total weight of the package. CPayment & ReturnWe require that all payments be paid through PayPal. Your address must be confirmed. Buyers who pay with unconfirmed addresses will not be accepted. Per our return policy this item can be returned in 30 days, buyer is responsible for the return shipping, 20% restocking fee may apply.International Buyers, please contact us before bidding to discuss the shipping cost.We always look to satisfy our customers in whatever needs they may have. If you have any issue with your transaction, before filing any dispute, please contact us to resolve and we will do our best to resolve the issue through eBay as soon as possible. Please contact us if you have any question.If you have any issue with your transaction, before filing any dispute, please contact us to resolve and we will do our best to resolve the issue through eBay as soon as possible. Please contact us if you have any question.
Price: 54.29 USD
Location: San Diego, California
End Time: 2023-11-24T20:57:49.000Z
Shipping Cost: 0 USD
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Return shipping will be paid by: Seller
Returns Accepted: Returns Accepted
Item must be returned within: 60 Days
Refund will be given as: Money back or replacement (buyer's choice)
Return policy details:
Manufacturer Part Number: 5M1644H-STD
Brand: ACL