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Vehicle Info NeededMANLEYPART NUMBER: 660-14086-8
5.7L Hemi H-Beam Connecting Rods 6.240" (Stock) Center-to-Center
$79638
Ships on 12/02/2026
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Part Number : 778-66844
$27399
Standard Weight Series H-Beam Rods2.126'' Hemi Crankshaft Journal ARP 8740 Cap Screws
- 5.7L Hemi H-Beam Connecting Rods
- 6.240'' (Stock) Center-to-Center
- 2.126'' Crankshaft Journal Size (Hemi)
- 2.252'' Big End Bore; 0.933'' Wide
- 24mm/0.9457'' Piston Pin Bore (5.7L Hemi); 1.000'' Wide
- 7/16'' ARP 8740
- 681 Grams
- 8/pkg
*NOTE: Horsepower range could be exceeded depending upon RPM, Stroke, Piston Weight and Power Adders.
Forged 4340 Steel Connecting Rods
The Manley H-Beam Series Connecting Rods are not only very ''economically'' priced, but they are finished to the same exacting tolerances and high quality standards as their Sportsmaster and Pro Series rods. Final hone size, thread detail, bend and twist - these are attributes we take very seriously. You will find the Manley H-Beam rods superior to others on the market.
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Features:
- Manufactured from 4340 forgings
- Heat treated, stress relieved, shot peened and 100% magnafluxed
- Weight matched sets +/- 1.5 grams
- Cap fasteners are premium 7/16'' ARP 8740 or optional ARP 2000 cap screws
- Horsepower range: Drag Race - 750 HP (ARP 8740), 900 HP (ARP 2000) / Oval Track - 725 HP (ARP 8740), 775 HP (ARP 2000)
Connecting Rod Common Specs: - Crankshaft Pin Diameter: 2.126'' (Stock Hemi); 2.000'' (SB-Chevy Small Journal); 2.100'' (SB-Chevy Large Journal)
- Crankshaft Pin Width: 0.933''; 0.941''
- Piston Pin Diameter: 0.866''; 0.927''; 24mm/0.945'' (5.7L); 25mm/0.984'' (6.1L)
- Piston Pin Width: 0.930''; 1.000''; 1.060''
Part TypeConnecting Rod
Product LineManley Chrysler 5.7L/6.1L HEMI H-Beam Connecting Rods
BrandMANLEY
Package Height4.5
Package Width9.3
Package Length11.5
Weight13.26 PG
Part CategoryPerformance Parts
Big End Bore Diameter2.252 in (57.201 mm)
Part FitmentSemi Universal
Pin End Width1 in (25.4 mm)
Big End Width0.933 in (23.698 mm)
ToolStroker Combinations
Connecting Rod Length Center To Center6.24 in (158.496 mm)
Vendor Part Number14086-8
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
