ACL Race Series Rod Bearings Small Block Chev Quad 4, 1.889"
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ACL Race Series Rod Bearings Small Block Chev Quad 4, 1.889"
CONROD BEARING - STD, 001, 010
- High performance Trimetal engine bearings
- Designed to withstand higher RPM conditions
- High strength overlay plate with reduced thickness for improved fatigue properties
8B1663H-STD, 8B1663H-001, 8B1663H-010 8B1663HX-STD
Specifications for STD size only
Sizes | STD, 001, 010 |
Oil Clearance | |
Half Type | Upper & lower |
Material | F781 |
Min. Std Shaft Size | 47,968 mm / 1.8885 in |
Max. Std Shaft Size | 47,981 mm / 1.8890 in |
Min. Std Tunnel Size | 51,181 mm / 2.0150 in |
Max. Std Tunnel Size | 51,194 mm / 2.0155 in |
Max Wall at Crown | 1,588 mm / 0.0625 in |
Max Overall Length |
20,12 mm / 0.7921 in
|
Notes | |
Diagrams |
7000H-L
7000H-U
|
- 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.
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