ACL RACE SERIES PERFORMANCE MAIN & CONROD BEARING SET 0.010" UNDERSIZE [HOLDEN V8 304 INJECTED 5.0L & 355 STROKER 5.7L MOTOR]

ACL RACE SERIES PERFORMANCE MAIN & CONROD BEARING SET
-0.010" UNDERSIZE
LB9 HOLDEN V8 304 INJECTED 5.0L MOTOR
L98 HOLDEN V8 355 STROKER 5.7L MOTOR (348ci)

03/1989-1999 HOLDEN [VN-VP-VR-VS-VT COMMODORE]
03/1990-1999 HOLDEN [VQ-VR-VS STATESMAN/CAPRICE]
09/1990-2000 HOLDEN [VG-VP-VR-VS UTE]

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

MAIN BEARING SPECIFICATIONS:

POSITION 1,2,3,4
Standard Shaft Diameter: 2.3978"/2.3988" (60.904mm/60.930mm)
Maximum Wall: 0.0954" (2.423mm)
Housing Bore: 2.5905"/2.5916" (65.800mm/65.827mm)
Max Length: 0.8950" (22.730mm)

POSITION 5 (REAR with THRUST)
Standard Shaft Diameter: 2.3978"/2.3988" (60.904mm/60.930mm)
Maximum Wall: 0.0954" (2.423mm)
Housing Bore: 2.5905"/2.5916" (65.800mm/65.827mm)
Max Length 1.0910" (27.710mm)

Material: RACE SERIES (TRI-METAL)

CONROD BEARING SPECIFICATIONS:
Min Standard Shaft Size: 2.1240"/ 53.950mm
Max Standard Shaft Size: 2.1250" / 53.975mm
Min Standard Tunnel Size: 2.2497" / 57.142mm
Max Standard Tunnel Size: 2.2504" / 57.160mm
Max Wall At Crown: 0.0619" / 1.572mm
Max Overall Length: 0.7780" / 19.750mm
Wall Size Tolerance: 0.0003" / 0.0008mm
Material: F781 (TRI-METAL)
Series: ACL RACE

The Main and Conrod 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.

REPLACES HOLDEN PART# 2806372, 2806379 & 2813379

SPECIAL NOTE:
CRANKSHAFT & CONNECTING ROD JOURNAL IS -0.010" UNDERSIZE

MADE IN AUSTRALIA

HOLDEN V8 INJECTED MOTOR

LB9 HOLDEN V8 304 INJECTED 5.0L MOTOR

07/1988-1988 HOLDEN [VL COMMODORE SS GROUP A]

03/1989-05/1999 HOLDEN [VN-VP-VR-VS-VT COMMODORE]

03/1990-04/1999 HOLDEN [VQ-VR-VS STATESMAN]

09/1990-2000 HOLDEN [VG-VP-VR-VS UTE]

L98 HOLDEN V8 355 STROKER 5.7L MOTOR (348CI)

05/1994-05/1999 HSV [VR-VS-VT GTS/SENATOR & LIMITED EDITIONS]