ACL 5M8353H/X Race Main Bearing Set Mazda Miata B6/BP Image1
 
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ACL Race Main Bearing Set Mazda Miata B6/BP

 
  • Performance main bearings

  • Designed for high RPM

  • High load carrying capacity


ACL 5M8353H/X Race Main Bearing Set Mazda Miata B6/BP
List Price: $81.27
$73.95  Save 9%

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Product Details

ACL performance race main bearings for the Mazda Miata B6/BP Engine.  ACL race main bearings are manufactured with a tri-layer metal in order to withstand high RPM conditions, high stress loads, and high temperatures.  Each ACL race bearing design features the following:

  • Large chamfer to accomodate larger crankshaft fillets
  • 3/4 groove main bearings to optimize bearing load carrying capacity and oil flow to rod bearings
  • Incresed crush and tighter wall tolerance for better seating
  • Improved overlay and reduced thickness for increased fatigue strength
  • Hardened steel backing to maintain crush under high loads and temperatures

*** Price is for 1 COMPLETE SET OF MAIN BEARINGS FOR 1 ENGINE ***
 

ACL Race Main Bearings Mazda Miata B6/BP Engines Detailed Specifications
Part Number 5M8353H 5M8353HX
Available Sizes STD, 0.025, 0.25, 0.50  STD
Oil Clearance Standard +0.001" Extra
Half Type Upper and Lower Upper and Lower
Material Tri-metal Tri-metal
Min. Std. Shaft Size 1.9661" / 49.938mm 1.9661" / 49.938mm
Max. Std. Shaft Size 1.9668" / 49.956mm 1.9668" / 49.956mm
Min. Std. Tunnel Size 2.1259" / 53.998mm 2.1259" / 53.998mm
Max. Std. Tunnel Size 2.1267" / 54.018mm 2.1267" / 54.018mm
Max Wall at Crown 0.0793" / 2.013mm 0.0787" / 2mm
Max. Overall Length 0.6941" / 17.63mm 0.6941" / 17.63mm
Notes Mazda Miata B6/BP Engines

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Vehicle Applications

Years Make Model Trim Chassis Engine Notes
1989 - 1997 Mazda MX-5 Miata   NA    
1999 - 2005 Mazda MX-5 Miata   NB