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The Manley Performance connecting rod identified by manufacturer part number 15088R-8 is engineered for a measured performance-engine assembly. Final compatibility depends on the exact engine, mating components, and verified dimensions, not a similar product title alone.
Key Features
- Forged 4340 Steel: Aircraft-quality alloy provides durability under extreme RPM, boost pressures over 30 psi, and nitrous shots up to 500 hp.
- ARP2000 Bolts: Rated to 220,000 psi tensile strength with rolled threads for secure cap retention during high-horsepower builds.
- .927in Full-Floating Wrist Pin: Precision-ground chrome moly pin supports stroker pistons and reduces weight for quicker revs.
- CNC machined in the USA for exact tolerances on center-to-center 6.633in length.
- Yes, direct fit for stock stroke 4.090in cranks in 6.2L supercharged HEMIs with 2.217in big end and 6.633in center-to-center dimension.
- Forged 4340 steel rods with 7/16in ARP2000 bolts rated for 1900+ hp in boosted HEMI applications.
Fitment
| Fitment Status | Engine and build verification required |
|---|---|
| Required Verification | Exact engine code, dimensions, mating components, material, intended power level, and current Manley application listing |
Specifications
| Brand | Manley Performance |
|---|---|
| Manufacturer Part Number | 15088R-8 |
| Product Type | Connecting Rod |
| Fitment Type | Fitment Verification Required |
| Condition | New |
| Engine Displacement | 6.2 L |
| Wrist Pin Diameter | 927 in |
| Quantity | 8 |
What's Included
One new Manley Performance connecting rod in the exact quantity and configuration stated in the specifications. Bearings, rings, pins, locks, fasteners, and installation hardware are included only when expressly listed for this part number.
About Manley Performance
Manley Performance engineers connecting rods, pistons, crankshafts, valves, valvetrain components, and related hardware for professional street, racing, and forced-induction engine builds.
Related Manley Performance Products
- Shop all Manley Performance products
- Manley Chrysler 5.7L/6.1L/6.4L Hemi ARP 2000 6.2in w/ 24mm Pin H Beam Connecting Rod - Set of 8
- Manley Chrysler Hemi 6.125 Length H Tuff Series Connecting Rod Set w/ ARP 2000 Bolts (Set of 8)
- Manley Chrysler 6.1L Hemi ARP 2000 6.240 w/ .9848in Pin H Beam Connecting Rod Set
Frequently Asked Questions
How do I verify the application for Manley 15088R-8?
Match the exact Manley part number and engine code, then confirm every listed dimension, material, mating component, clearance, and intended power level before ordering.
What dimensions must match before ordering these connecting rods?
Confirm center-to-center length, big-end bore and width, wrist-pin diameter, small-end width, beam design, fastener specification, crankshaft journal, piston, and required clearances.
Can connecting rods be installed without balancing the rotating assembly?
A professional engine builder should measure every rod, verify fastener stretch or torque procedure, check bearing clearance and side clearance, and balance the complete rotating assembly.
Installation Instructions
Use the current Manley instructions for part number 15088R-8 and the engine builder's measured assembly specifications. Verify material, orientation, machining, clearances, fastener procedure, lubrication, balance, torque or stretch values, and break-in before operation.
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