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ARP 5/16-18 x 1.750 12pt Black Oxide Bolts (5/pkg)
ARP 5/16-18 x 1.750 12pt Black Oxide Bolts (5/pkg)
ARP 5/16-18 x 1.750 12pt Black Oxide Bolts (5/pkg)
ARP 5/16-18 x 1.750 12pt Black Oxide Bolts (5/pkg)
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ARP 5/16-18 x 1.750 12pt Black Oxide Bolts (5/pkg)

Marsoni M251S
Sale price$15.97
Pay 4 payments of $3.99 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
ARP 5/16-18 x 1.750 12pt Black Oxide Bolts (5/pkg)SKU: 641 1750 UPC: 672036017026 ARP 5 16 18 x 1. 750 12pt Black Oxide Bolts for Chevy Small Block Ford 302 GM LS Mopar Hemi (5 pkg) ARP 641 1750 5 16 18 x 1. 750 12pt black oxide bolts deliver 180,000 PSI tensile strength in packs of 5 for connecting rods mains cylinder heads and chassis in high performance builds. These forged 8740 chrome moly fasteners fit Chevy small block Ford 302 GM LS series and Mopar Hemi engines plus universal motorsport
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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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4.5 ★★★★★
Based on 949 reviews
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Product Reviews
K
Verified Purchase
Kenny
Lexington, US
★★★★★ 3
Incorrect motor listed. Far smaller impeller than what's in the 6 horse johnson.
Size: For 5.5HP 6HP 7.5HP
It seems to be of good quality. However it does not fit a 6 horse johnson as it states. Therefore it will not pump water or function for my purposes. It was a waste of money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 15, 2025
O
Verified Purchase
Outcast
Belleville, US
★★★★★ 5
Good product
Worked for what I needed. Fit great and easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
R
Verified Purchase
R
Lake Worth, US
★★★★★ 5
Old Merc Inline 6s - 1500, 1400, 1250, 1150
This is the second time I purchased from them. The kits are good quality, and impeller is durable. Pictures is the initial one I purchased from them two seasons ago. It had hundreds of hours on it, plus me accidentally cooking it for 3 mins without water hooked up to the engine - which is why I purchased it again. Given 2 seasons of use and my recent screw up it held up well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 11, 2024
J
Verified Purchase
Justin D.
Grantham, US
★★★★★ 4
Merc black max 150
Good fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 16, 2024
R
Verified Purchase
Rob
Houston, US
★★★★★ 5
Best bang for your buck kit!
Can’t beat the price by any means. Total rebuild kit for Mercury 115 outboard for less than half the price and all high quality parts nothing cheap about this kit at all except the price. Highly recommend
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2024

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