
MANLEYPART NUMBER: 660-15053R-8
H-Tuff H-Beam Connecting Rods Small Block Chevy LS/LT1
$1,03105
GM
H-Tuff H-Beam Connecting RodsSmall Block Chevy LS/LT1 6.125 in. Center-to-Center Length 4340 Forged 7/16 (.4375) in. ARP 2000 Bolts 680 Gram Weight Set of 8
Features:
- Bridges the gap between Manely's standard H-beam and the top-of-the-line I-beam connecting rods
- An overall stronger rod and provides a greater safety margin over standard H-beam connecting rods to handle higher boost and horsepower levels
- Incorporates a wider beam and increased cross-sectional thickness in critical areas
- Ribbed pin surround
- Manufactured from 4340 forgings
- 6.125 in. center-to-center length (.025 in. longer than stock LS/LT1 connecting rods)
- 2.225 in. big end bore
- .941 in. big end width
- 1.060 in. pin end width
- .9457 in. pin bore
- 680 average gram weight
- Weight matched set is ± 1.5 grams
- Heat-treated, stress relieved, shot peened and 100% magnafluxed
- Cap fasteners are 7/16 (.4375) in. ARP 2000 bolts
- *Flywheel horsepower range:
- 1,000 HP (Oval Track)
- 1,200+ HP (Drag Race)
- *Horsepower range could be exceeded depending upon rpm, stroke, piston weight, and power adders
Note: For Small Block Chevy LS/LT1 engines with pistons ready to accept 6.125 in. length rods. Stock LS / LT1 rods are 6.100 in. long
Part TypeConnecting Rod
BrandMANLEY
Package Height4.5
Package Width9.0
Package Length10.0
Weight12.0 PG
Part CategoryPerformance Parts
Connecting Rod Bolt BrandARP
Connecting Rod MaterialForged 4340 steel
Connecting Rod Bolt Head Style12-point
Connecting Rod Bolt MaterialARP2000 alloy
Big End Bore Diameter2.225 in (56.515 mm)
QuantitySet of 8
Connecting Rod Beam StyleH-beam
Pin End Width1.06 in (26.9 mm)
Main Bearings IncludedNo
Big End Width0.941 in (23.901 mm)
Rod Bearings IncludedNo
Connecting Rod Length Center To Center6.125 in (155.575 mm)
Approximate Connecting Rod Weight (G)680
MagnafluxedYes
Weight Matched SetYes
Cap Retention StyleThrough-bolt
Pin End Bore Diameter0.946 in (24 mm)
Part FitmentSemi Universal
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
Some parts are not legal for use in California or other states with similar laws / regulations


![Engine Assembly Lube [4 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28000.jpg)