SKU:87231655456
1/2-20 x 5.250 12pt black oxide bolts
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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
Description
1/2-20 x 5.250 12pt black oxide boltsMaterial: 8740 Chrome Moly Finish: Black Material 2: Finish 2: Origin: USA
as well as protecting the threads in your engine block
A “must” for any serious engine builder
but one is drilled to allow for a seal wire
limited rule ovaltrack competition and street use
and precision J-form threads rolled after heat-treat to create a fastener that has threads 2000% stronger than others
000 psi tensile strength material where noted
Made from ARP2000 and heat-treated to 220
Simply stated
Not to be usedwith OEM-style
nominally rated at 180
so it seats evenly and applies pressure on a full 360° circle
The high cobalt content of this alloy
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Exchange/Return Notes
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