ACL Race Series Conrod Bearing Set Suit Big Block Chevy 366, 396, 402, 427 454 ci V8

Sizes	STD, 001, 009, 010, 011, 020
Oil Clearance
Half Type	Upper & lower
Material	F781
Min. Std Shaft Size	55,855 mm / 2.1990 in
Max. Std Shaft Size	55,88 mm / 2.2000 in
Min. Std Tunnel Size	59,047 mm / 2.3247 in
Max. Std Tunnel Size	59,06 mm / 2.3252 in
Max Wall at Crown	1,572 mm / 0.0619 in
Max Overall Length	22,58 mm / 0.8890 in
Notes
Diagrams	7100H-L 7100H-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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