Manley Chrysler Small Block 5.7L Hemi Series Rod Bearing (+.001in)

Chrysler 5.7L HEMI Small Block

30020X

Overview:

The Manley Chrysler Small Block 5.7L Hemi Series Rod Bearing (+.001in) is a precision-engineered replacement bearing designed specifically for Chrysler 5.7L HEMI small block engines. These rod bearings are manufactured to exacting standards to ensure optimal fitment and durability, making them an excellent choice for engine rebuilds, performance upgrades, or maintenance.

Ideal for performance enthusiasts, engine builders, and daily drivers alike, these bearings help maintain proper clearance and reduce friction in the connecting rod journals. By using a +.001 inch undersize specification, they accommodate slight machining or wear on the crankshaft, ensuring reliable operation and extended engine life.

With Manley Performance’s reputation for quality and durability, you can trust these rod bearings to support your engine’s performance and reliability under a variety of driving conditions.

Key Features:

These rod bearings offer several important features designed to enhance engine performance and longevity:

• Precision manufactured to +.001 inch undersize for exact fitment on Chrysler 5.7L HEMI small block crankshafts.
• Narrowed design tailored specifically for small block Chrysler HEMI engines, ensuring proper clearance and oil flow.
• Constructed from high-quality bearing materials to provide excellent wear resistance and durability.
• Engineered to reduce friction and support smooth rotation of the connecting rods under high loads.
• Ideal for engine rebuilds, performance upgrades, and maintenance requiring undersized rod bearings.
• Compatible with factory and aftermarket components designed for the Chrysler 5.7L HEMI small block.
• Manufactured by Manley Performance, a trusted name in high-performance engine components.

Construction & Design:

Manley rod bearings are crafted using premium bearing alloys that balance strength and conformability. The narrowed design of these bearings is optimized for the Chrysler small block 5.7L HEMI engine architecture, allowing for proper oil clearance and distribution. This ensures effective lubrication of the connecting rod journals, reducing wear and heat buildup during operation.

The +.001 inch sizing accounts for crankshaft journal undersizing or machining, providing a precise fit that maintains engine reliability and performance. Manley’s manufacturing process includes strict quality control to deliver consistent thickness and surface finish, which are critical for bearing longevity and engine smoothness.

Installation & Fitment:

These rod bearings are designed as direct replacements for Chrysler 5.7L HEMI small block engines requiring +.001 inch undersize bearings. They fit standard factory connecting rods and crankshafts that have been machined or measured to this specification.

Installation should be performed by a qualified engine builder or mechanic familiar with bearing clearances and proper assembly techniques. Proper measurement of crankshaft journals and bearing clearances is essential to ensure optimal performance and avoid premature wear.

• Direct fit for Chrysler 5.7L HEMI small block engines.
• Requires crankshaft journal undersizing or machining to +.001 inch.
• No modifications to rods or crankshaft required beyond standard machining.

What's Included:

• Set of narrowed rod bearings sized +.001 inch for Chrysler 5.7L HEMI small block engines.

Ideal For:

• Engine rebuilders and performance enthusiasts upgrading or maintaining Chrysler 5.7L HEMI small block engines.
• Daily drivers seeking reliable, high-quality rod bearings for engine longevity.
• Motorsport applications requiring precise bearing clearances and durable components.
• Anyone needing undersized rod bearings to accommodate crankshaft machining or wear.

Manley Performance manufactures high-strength engine internals for serious builds—especially forged pistons, connecting rods, valves, and valvetrain components developed for racing and high-output street applications. If you’re building for boost, high compression, or sustained RPM, Manley is a common choice for parts engineered to take abuse and keep power reliable.