Blue Oval Performance store: , ,

These 9/16" to 1/2" custom head studs were originally designed for use in Top Fuel. They are much larger than the commonly used 11mm head studs and requires the block to be tapped to 9/16-12.

Torque can be increased up to 125 ft lbs. Cylinder honing required after installation with torque plates. Some cylinder heads will require stud holes to be reamed to accommodate larger 1/2" stud. May require shorter dowel pins.

Includes 20 studs, 20 nuts and 20 hard washers. Not recommended on iron blocks.




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