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4A / 4age – ACL Race series bearings – Big end

$90.00

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Description

4A / 4age – ACL Race series bearings – Con-rod Big end

After a long delay the high performance bearings from ACL are now once again available. These series of bearings are known for their durability and high quality overall. For the full information on the design and features of these bearings please see here.

Specifications

Model number: 4B1780H.

Supplied: Complete set of 8 bearing shells for the con-rod main crankshaft to block journals.

Engine compatibility: A-series engines with the 42mm crank journal size, this includes most 4a series of engines such as all of the 20V 4age. Some of earlier model engines such as the 4age “big-port” have use a smaller diameter journal. 7AFE crankshafts are not compatible due to having a larger diameter but do have the same size mains. Buyer to check before purchase.

Size: Original 42mm crank / 45mm journal – full data here.

Bearing size availability

– There are two bearing sizes on offer: original size and a second where the crank journals have been ground down 0.25mm in diameter.

Additional information

Weight0.4 kg
Dimensions8 × 5 × 4 cm
Bearing size

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