SKU: 4SM2222H-001

ACL RACE SERIES PERFORMANCE MAIN BEARING SET -0.001" UNDERSIZE [HOLDEN V6 3800, ECOTEC & SUPERCHARGED 3.8L MOTOR]

1991-04 HOLDEN [VN-VP-VR-VS-VT-VX-VY COMMODORE]

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ACL RACE PERFORMANCE MAIN BEARING SET
-0.001" UNDERSIZE
HOLDEN V6 3800, ECOTEC & SUPERCHARGED 3.8L MOTOR

1991-04 HOLDEN [VN-VP-VR-VS-VT-VX-VY COMMODORE]
1991-04 HOLDEN [VQ2-VR-VS-WH-WK STATESMAN]
2001-03 HOLDEN [V2 MONARO CV6]

Description

ACL RACE SERIES PERFORMANCE MAIN BEARING SET
-0.001" UNDERSIZE SIZE
L27 HOLDEN V6 3800 3.8L MOTOR
L36 HOLDEN V6 ECOTEC 3.8L MOTOR
L67 HOLDEN V6 SUPERCHARGED 3.8L MOTOR

11/1990-2004 HOLDEN [VN-VP-VR-VS-VT-VX-VY COMMODORE]
11/1990-2004 HOLDEN [VG-VP-VR-VS-VU-VY UTE]
11/1991-2004 HOLDEN [VQ2-VR-VS-WH-WK STATESMAN]
10/2001-2003 HOLDEN [V2 MONARO CV6]

High performance driving demands that you use the best parts. So rely on ACL's Race Series Products to perform to the exacting durability standards you expect. They provide the dependability it takes to hold up under higher RPM conditions.

The unique combination of design, metallurgy and engineering comes together to deliver what drivers expect from high performance parts. ACL Race Series Engine Bearings are a must for your performance engine.

FEATURES:

  • High strength overlay plate with reduced thickness for improved fatigue properties
  • Hardened 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 retention
  • Elimination 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

SPECIFICATIONS:

POSITION 1,3,4,5
Standard Shaft Diameter: 2.4988" / 2.4998" (63.470mm / 63.495mm)
Maximum Wall: 0.0934" (2.372mm)
Housing Bore: 2.6870" / 2.6880" (68.250mm / 68.275mm)
Max Length: 0.8690" (22.070mm)

POSITION 2
Standard Shaft Diameter: 22.4988" / 2.4998" (63.470mm / 63.495mm)
Maximum Wall: 0.0934" (2.372mm)
Housing Bore: 2.6870" / 2.6880" (68.250mm / 68.275mm)
Max Length 1.0580" (26.870mm)

Material: RACE SERIES (TRI-METAL)

The Main Bearing Sets are manufactured in Tasmania (Australia) by Leaders in Bearing technologies ACL Bearing Company. ACL is Australia's premier manufacturer of precision engine bearings and was a Original Equipment Manufacturer to Holden.

SPECIAL NOTE:
CRANKSHAFT -0.001" UNDERSIZE
NOT SUITABLE FOR ENGINES BUILD BEFORE NOVEMBER 1990
NOT SUITABLE FOR ENGINES WITH THERMOSTAT AT REAR OF MOTOR

MADE IN AUSTRALIA

Warranty

Features

Specifications

SKU 4SM2222H-001
Model # 4SM2222H-001
Brand ACL
Shipping Weight 0.6000kg

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