Description: PerformancePartsNOW presents...... ACL Race Bearings! This listing is for a complete set of Authentic ACL Race +.25mm Oversize Main and Rod Bearings with thrust washers for all 92-00 Honda D16 Applications This listing includes ACL part numbers: 4B1956H-.25 (.25mm Oversized Rod Bearings) 5M1957H-.25 (.25mm Oversized Main Bearings) 1T1957-STD (Standard Size Thrust Washers) SPECS 4B1956H-.25 Size: STD, .025, .25 Oil Clearance: Standard Half Type: Identical Halves Material: Tri-metal Hardened Steel Backs Min Std Shaft Size: 1.7709 in / 44.98 mm Max Std Shaft Size: 1.7717 in / 45 mm Min Std Tunnel Size: 1.8898 in / 48 mm Max Std Tunnel Size: 1.8906 in / 48.02 mm Max Wall at Crown: 0.0592 in / 1.504 mm Max Overall Length: 0.7283 in / 18.5 mm 5M1957H-.25 Size: STD, 025, .25 Oil Clearance: Standard Half Type: Identical Halves Material: Tri-metal Hardened Steel Backs Min Std Shaft Size: 2.1646 in / 54.98 mm Max Std Shaft Size: 2.1654 in / 55 mm Min Std Tunnel Size: 2.3228 in / 59 mm Max Std Tunnel Size: 2.3236 in / 59.02 mm Max Wall at Crown: 0.0790 in / 2.007 mm Max Overall Length: 0.7874 in / 20 mm 1T1957-STD Size: STD, 025, .25 Half Type: Identical Halves Material: Tri-metal Hardened Steel Backs Key Features • Precision Manufacturing... micron tolerance machining for consistent accuracy • Bearing Material Enhancements... a blend of characteristics to provide high strength and excellent seizure resistance; no flash plating is applied to further improve bearing retention and maximize heat transfer • Bearing Design Enhancements... crush increase for improved bearing retention from higher radial contact pressure • Bearing Eccentricity... a gradual reduction in wall thickness between the crown and parting line to improve shape adaptation to compensate for bore distortion at high speed operation • Main Bearings with Extended Grooves... full (180°) grooved uppers with matching partial groove in lowers to reduce interruption to big end oil supply with tapered groove run-out • Enlarged ID Chamfers... accommodate larger fillet radii on performance crankshafts Item images are representative and for reference only; images of actual product may differ. Product information, specifications and fitment should be verified with the manufacturer before purchasing. ACL RACE Series Performance Engine Bearings The ACL Race Series performance engine bearings are recognized as a premier brand throughout the motorsports world that traces its roots back to the 1960’s with the manufacture of engine bearings for use in the world conquering Brabham Formula 1. The unique combination of design, metallurgy, engineering and precision quality control come together to deliver what engine builders expect from performance engine bearings. These exceptional bearings are available for a variety of American, Asian and European performance engines. **** International Customers are welcome **** FREE Shipping within the Continental 48 States Domestic We will ship anywhere in the United States, including Hawaii, Alaska and Puerto Rico. FREE shipping is offered in most of our non-oversized items. Alaska, Hawaii, Puerto Rico and U.S. territories may incur additional shipping charges. Your order will be processed within 24 hours. International Experience shipping WORLDWIDE. Based on package weight and dimensions, allow us to recommend a shipping service that works for your destination. Some countries charge import duties, taxes and fees - ALL import fees are paid by the buyer. Please check with your specific country so you will be aware of any additional charges. Your order will be processed within 1-3 business days. Returns For a return request, please contact us BEFORE and allow us the opportunity to resolve any issues. - Returns on International orders are NOT accepted. - Absolutely NO returns or exchanges allowed on products that have been used, fitted, installed, mounted or missing components. - New items being returned MUST be in the original packaging including unopened plastic wrapped items and in factory brand new conditions. - Return authorization (RMA#) must be clearly displayed per instructions provided; this will help expedite the return process. - In case of damaged delivery; all carrier-related damage or loss claims must be made with the carrier within 48 hours of receiving the item. Thank you for stopping by... come again soon!
Price: 135.99 USD
Location: Miami, Florida
End Time: 2025-01-16T15:29:01.000Z
Shipping Cost: 0 USD
Product Images
Item Specifics
Return shipping will be paid by: Buyer
Returns Accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money back or replacement (buyer's choice)
Return policy details:
OE/OEM Part Number: 4B1956H-.25, 5M1957H-.25, 1T1957-STD
Manufacturer Part Number: 4B1956H-.25, 5M1957H-.25, 1T1957-STD
Manufacturer Warranty: Limited Warranty
Performance Part: Yes
Vintage Part: No
Country/Region of Manufacture: Australia
Type: Engine Bearings
Features: Reliable Fit, Consistent Clearances, High Strength, Seizure Resistance, Heat Dissipation
Material: Trimetal Copper-Lead-Tin over Steel
Brand: ACL