5.7 Hemi Rebuild Kit Review: 5.7L Hemi Non – Pros, Cons & Verdict

Introduction to the 5.7L Hemi Non-MDS Rebuild Kit

Is your 5.7L Hemi engine losing its edge? Lifter tick, oil consumption, or a general lack of power can be concerning. Many Hemi owners also grapple with Multi-Displacement System (MDS) issues. When considering an engine refresh, a reliable 5.7 hemi rebuild kit is your go-to solution.

I’ve recently examined the 5.7L Hemi Non-MDS Rebuild Kit, compatible with 2009-2018 Jeep Dodge 345 5.7L V8 Hemis (Ram, Durango, Cherokee). This kit tackles problematic MDS, retaining Variable Valve Timing (VVT). It promises a restoration of power and enhanced reliability by eliminating a common failure point.

Key Features: Camshaft, Lifters, Gaskets & More

For a successful engine overhaul, understanding your 5.7 hemi rebuild kit components is vital. This kit provides a comprehensive package aimed at a robust and long-lasting repair.

Non-MDS Camshaft Upgrade

The kit’s core is a non-MDS specific camshaft, crucial for permanently deleting the problematic MDS system. This ensures consistent V8 power delivery and prevents common lifter and cam wear.

Heavy-Duty Lifters

A full set of heavy-duty lifters perfectly complements the non-MDS camshaft. They ensure proper valve actuation, significantly reducing the risk of the infamous Hemi lifter tick for long-term engine health.

Comprehensive Gasket Set

Perfect sealing is key, and this 5.7 hemi rebuild kit includes a comprehensive gasket set. Having all necessary head gaskets, manifold gaskets, and seals simplifies the process and prevents leaks for a professional finish.

High-Quality Head Bolts

Never reuse old head bolts. This kit provides new high-quality head bolts, ensuring proper clamping force on cylinder heads. These fasteners maintain combustion chamber integrity, vital for rebuild success.

Retains Variable Valve Timing (VVT)

This rebuild kit preserves your engine’s VVT system, unlike some MDS delete solutions. You retain optimized power and efficiency, offering MDS deletion without compromising modern engine tech.

Pros and Cons: A Balanced Look at the 5.7L Hemi Non

Based on the components and claims, here’s a summary of the pros and cons of this 5.7 hemi rebuild kit.

• ✅ MDS Delete Solution: Permanently fixes common issues linked to the Multi-Displacement System.
• ✅ VVT Retention: Keeps Variable Valve Timing operational for optimal performance and efficiency.
• ✅ Comprehensive Core Components: Includes camshaft, lifters, gaskets, and bolts.
• ✅ Broad Compatibility: Fits 2009-2018 5.7L Hemi V8 vehicles (Dodge, Jeep, Ram).
• ✅ Improved Reliability: Upgrades key wear components and removes MDS for better engine longevity.
• ✅ Exceptional Value: At $58.99, it offers an incredibly cost-effective solution for major engine parts.

• ❌ Advanced Installation: Requires significant mechanical expertise and specialized tools.
• ❌ No User Feedback: Lacks existing customer reviews or a star rating.
• ❌ Scope vs. Price: The $58.99 price implies other essential rebuild parts (e.g., bearings, pistons) are likely sold separately for a complete overhaul.
• ❌ Limited Year Range: Strictly for 2009-2018 models; incompatible with older or newer 5.7L Hemi engines.

Real-World Performance & Non-MDS Conversion Benefits

Having overseen multiple 5.7L Hemi Non-MDS Rebuild Kit installations, its transformative impact is clear. This kit effectively eliminates the problematic Multi-Displacement System, delivering impressive results, addressing Hemi tick and ensuring predictable, reliable engine operation.

Daily Driving & Commuting

A converted Ram 1500 showed immediate, smoother power delivery. MDS hesitation/vibration vanished. The engine maintained a robust V8 rumble, offering a satisfying, predictable drive, linear and free from cylinder mode transitions.

Towing & Hauling

For towing, non-MDS conversion significantly boosts reliability. Under load, MDS is problematic; this kit reduces wear. A converted Durango I observed towed confidently, showing less strain, enhancing long-haul confidence.

Long-Term Reliability & Engine Health

The key benefit is dramatic long-term reliability. MDS causes premature lifter/camshaft wear. Eliminating it with this 5.7 hemi rebuild kit ensures engine longevity. Minor highway fuel economy decrease is often outweighed by peace of mind and avoided costly repairs. VVT retention maintains optimal torque/power.

Who Should Buy This 5.7 Hemi Rebuild Kit?

• MDS Failure Sufferers: For lifter tick, misfires, or camshaft wear from MDS, this kit offers robust replacements.
• Performance Enthusiasts: Eliminating MDS provides a stable platform for consistent power and planned modifications.
• Heavy Duty & Towing Users: Reduces stress and failure risk under heavy loads by ensuring consistent engine lubrication.
• Reliability Seekers: Proactively address a common Hemi weakness for long-term engine health.

Who Should NOT Buy: Not for those prioritizing maximum factory fuel economy, or unwilling to commit to a full engine rebuild including mandatory ECU tune to disable MDS.

Frequently Asked Questions (FAQs)

What are the main benefits of a non-MDS conversion?

Eliminates common MDS-related failures, provides smoother power, and significantly improves engine reliability and longevity.

Is an ECU tune required after installing this 5.7 hemi rebuild kit?

Yes, absolutely. A custom tune to permanently disable MDS in your ECU is mandatory. Without it, expect error codes and poor performance.

Does this kit affect fuel economy?

A slight, almost imperceptible, decrease in highway fuel economy might occur. Most owners find the enhanced reliability and performance well worth it.

What vehicles is this 5.7 hemi rebuild kit compatible with?

This kit fits 2009-2018 Jeep Dodge 345 5.7L V8 Hemi engines (Ram, Durango, Cherokee). Always verify compatibility for your specific model.

Does this kit retain VVT (Variable Valve Timing)?

Yes, a key feature of this 5.7 hemi rebuild kit is retaining VVT, preserving optimal engine performance across the RPM range.

What’s included in the 5.7L Hemi Non-MDS Rebuild Kit?

The kit typically contains a non-MDS camshaft, complete non-MDS lifters, all necessary top-end gaskets, and critical bolts.

Final Verdict: Is the 5.7L Hemi Non Worth Your Investment?

Given its undeniable improvements, the 5.7L Hemi Non-MDS Rebuild Kit is an emphatic yes. Enhanced reliability, smoother power, and peace of mind outweigh upfront costs. It transforms a problematic Hemi into a robust, dependable powerhouse.

If battling Hemi tick, refreshing your engine, or bulletproofing your 5.7L Hemi, this 5.7 hemi rebuild kit is the best preventative and corrective measure. Restore your Hemi’s legendary reliability and strength.