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Engines and Components› Engine Bearings
Manley Performance
Manley Chrysler Small Block 5.7L Hemi Series Rod Bearing (+.001in)
SKU: M004 30020X
Easy — 1–2 hours
Overview
Show original supplier description
Part #: 30020X
Manley connecting rods are matched with quality performance bearings from trusted brands like ACL and Clevite (R), selected for durability, consistent oil control, and excellent load-handling in performance and racing engines. These premium bearings help ensure smooth operation and long-lasting reliability in high-RPM builds.
Manley Rod Bearing, SBC ROD BEARINGS NARROWED SJ +001in.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vehicle Symptoms
- loud knocking noise from bottom end
- low oil pressure at hot idle
- metallic tapping under acceleration
- crankshaft journals scored after bearing failure
- engine knock that worsens with rpm
Relevant Conversations
- 5.7 HEMI connecting rod bearing knock sound
- Manley 30020X rod bearing specs review
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- Clevite vs Manley HEMI rod bearings
- 5.7 HEMI bottom end knock after oil change
- HEMI crankshaft polish .001 undersize bearings
- Manley 30020X install torque specs
- 5.7 HEMI engine rebuild bearings and rings
- HEMI rod knock low oil pressure fix
- where to buy Manley HEMI connecting rod bearings
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Manley Performance |
| Part Number | M004 30020X |
About MOTORMIA
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Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
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