SKU:92690624971
5/16-18 X 4.000 hex black oxide bolts
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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
Description
5/16-18 X 4.000 hex black oxide boltsMaterial: 8740 Chrome Moly Finish: Black Material 2: Finish 2: Origin: USA
And there’s more
The threads are rolled after heat-treating which gives them about 2000% better fatigue strength than most main bolts that are threaded prior to heat-treating
And because TTY bolts are yielded by design
Drive pins are rated 190
Secure any engine with complete confidence with ARP’s rugged motor mount bolts
High Performance head bolts are available with a reduced wrenching hex or 12-point and wide area flanged head that eliminates theneed for valve train removal to facilitate cylinder head retorquing
Increased material strength overcomes valve train harmonics and stress
Because there are fairly wide tolerances in factory bolt holes
Typical tensile strength is 260
all ARP main bolts feature a reduced renching head
ARP’s Pro Series rocker arm studs are made of premium grade 8740 chrome moly steel and heat-treated to a tensile strength of 190
threadpitch to thread pitch
Quick Dispatch:
Your 5/16-18 X 4.000 hex black oxide bolts orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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