ACL 5M1957H/X Race Main Bearing Set Honda H22A4 Image1
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ACL Race Main Bearing Set Honda H22A4

  • Performance main bearings

  • Designed for high RPM

  • High load carrying capacity

ACL 5M1957H/X Race Main Bearing Set Honda H22A4
List Price: $79.17
$71.95  Save 9%

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Product Details

ACL performance race main bearings for the Honda H22A4 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


ACL Race Main Bearings Honda H22A4 Engine Detailed Specifications
Part Number 5M1957H 5M1957HX
Available Sizes STD, 0.025, 0.25  STD
Oil Clearance Standard +0.001" Extra
Half Type Identical Halves Identical Halves
Material Tri-metal Tri-metal
Min. Std. Shaft Size 2.1646" / 54.98mm 2.1646" / 54.98mm
Max. Std. Shaft Size 2.1654" / 55mm 2.1654" / 55mm
Min. Std. Tunnel Size 2.3228" / 59mm 2.3228" / 59mm
Max. Std. Tunnel Size 2.3236" / 59.02mm 2.3236" / 59.02mm
Max Wall at Crown 0.0790" / 2.007mm 0.0785" / 1.994mm
Max. Overall Length 0.7874" / 20mm 0.7874" / 20mm
Notes Honda H22A4 Engine

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