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Stud Set, Main Bearing , Lwr Crankcase, 90~92 [8D2]

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Price:
$550.00
SKU:
10154000
Brand:
Condition:
New
Weight:
0.19 LBS
Shipping:
Calculated at checkout
Current Stock:
1
Quantity:


Product Description

Stud Set, Crankshaft Main Bearing, Lower Crankcase, for 90~92 ZR-1, 375Hp LT5. Sold as a set only.  Developed by Pepmeier Engine Development.  Specifications as follows;

  • Aerospace grade steel, 5S99G
  • Tensile strength ~190,000 psi
  • Yield strength ~180,000 psi
  • Imported from the UK
  • Includes 12-pt nuts and washers
  • Will not interfere with the windage tray.

Using either oil or ARP ultra torque on the threads and washers, tighten to:

  • M10: 52 ft-lbs (in two steps)
  • M12: 80 ft-lbs (in three steps)


At the recommended torque levels, the studs will be at approximately 75% of the yield strength. Perform several(3-5) torque cycles to burnish the threads and stabilize the friction value.

Note: the fine threads on the nut end of the studs are not the same pitch as the OEM fasteners. DO NOT use the same torque-angle specification as the stock bolts, will result in under torqued studs.


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