21-01-2025
ACL bearings
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ACL Race Series Main Bearings are engineered to handle the demanding conditions of high-performance and high-RPM engine builds. Designed specifically for Nissan’s KA24E and KA24DE engines, these trimetal main bearings provide excellent oil film control, increased fatigue resistance, and superior bearing retention under extreme stress. Ideal for street or track use, these bearings help extend engine life and maintain consistent clearances in performance applications.
Key Features
Trimetal race-grade construction for maximum durability
Standard (STD) size with additional undersizes (.025, .25) available
High-strength overlay plate with reduced thickness for improved fatigue resistance
Hardened steel backing for better support and housing fit
3/4 groove design improves oil flow and bearing load distribution
Enhanced eccentricity to account for high-RPM bore distortion
No flash plating to optimize heat dissipation
Precision-machined for consistent oil clearance
Enlarged chamfers to accommodate large crankshaft fillets
Includes both upper and lower bearing halves
Technical Details
Bearing Type: Main Bearings
Size: Standard (STD)
Tunnel Diameter: 63.659 – 63.672 mm
Shaft Diameter: 59.962 – 59.975 mm
Max Wall Thickness: 1.834 mm
Max Length: 19.00 mm
Half Type: Upper and Lower
Weight: 0.33 kg
Fitment Information
Designed for Nissan 4-cylinder engines using the KA24 family:
KA24E – SOHC 2.4L
KA24DE – DOHC 2.4L
Fits a wide range of Nissan models equipped with these engines, including older trucks (D21), 240SX, Altima, Stanza, and others. Always confirm engine code and journal dimensions before ordering.
What’s Included
(1) Set of ACL Race Series main bearings (upper and lower halves)
We are open Monday-Friday from 8am-6pm EST
Yes, customers located in and around the the Piedmont area are welcome to pick up their items from our retail location during normal business hours. Our address is:
Elite Race Fab
1514 Holbrook St Suite D-F
Greensboro, NC 27403
Elite Race Fab offers free ground shipping & handling to our retail customers within the lower 48 contiguous United States on most orders totaling $159.99 and higher, when the item being purchased is not a Freight/LTL item! Orders under $159.99 will be subject to a nominal $13.99 Flat shipping charge. Some exceptions and/or exclusions apply, in those scenarios you will be advised of any additional charges in the item details/description stating shipping exclussions/freight shipping required etc.
In regards to expedited and international shipping each order will need to be quoted on a case by case basis. You can obtain a quote two ways:
- From your shopping cart select "Request a Quote" prior to placing your order. We will review your proposed order and promptly respond with shipping estimates.
- Complete your order ahead of time indicating either expedited or international shipping during the checkout process. We will promptly determine shipping rates for your order and email you for approval and additional payment.
-Give us a call and we can ensure your item is shipped right then, to ensure you have it in time for your deadline.
We have been committed to offering all of our customers the lowest pricing throughout our website day in and day out. We value your business so much that we go a step further than our competitors. We use a third party software that proactively monitors all our competitor's websites/pricing so that we can make adjustments accordingly if needed to have the lowest prices. Thats right, no need to spend hours searching for the lowest prices, as ours will be the lowest.
As far as price matching, we dont want to write a check we cant cash, but we certainly want to earn your business. With that said, we will go above and beyond to match our competitor's pricing when it is needed. Simply email us, click the live contact button, or give us a call and be sure to have a link to our competitor's site and please factor in any shipping and handling their website will be charging. We will then ensure you get the lowest price, and either match or beat their pricing.
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