1098 Spridget Surface Ground Center Main Bearing Strap

Category:
$30.00

Description

A center main bearing strap provides strength and rigidity to the center main bearing of our little three main bearing engines. If you are going to run your engine hard in racing, auto crossing or other competition activities, you need one of these to help your engine to last.

This strap is machined and surface ground from 1″ by 7/8” 4140 alloy steel, a very strong and heavy steel. The mating surface and the top surface are surface ground to be extremely flat and parallel to each other. The sides are left mill finished.

The two pictures show the two surface ground sides.

As the 1098 engine uses studs to mount the main bearing caps, you must use a longer stud for the center main cap to accommodate the thickness of the strap. Several vendors supply longer studs.

You must have your center main cap machined or surface ground flat down to the bolt hole surface. You can have that done at your local machine shop or I can machine/surface grind it for you. Send me a message if you are interested in my doing the work, and I will send you the details.

Follow the torque guidelines for the stock center main cap. You will have to bend slightly the forward mounting tab for the oil pickup assembly. The strap has a 1/4″ hole threaded for the fine thread bolt holding the mounting tab. The straps offered by others appear to not have the 1/4″ threaded hole.

Please send me a message if you want one for a 1275 engine. I have them in stock. Same price.

Price: $30 plus $8.00 shipping for US domestic, International buyers contact me for shipping costs.

 

1098 strap 11098 strap 2

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