Morel 5290 Hydraulic Roller Lifters for LS Engines
The Morel 5290 Hydraulic Roller Lifters are a premium drop-in upgrade for LS-based engines ranging from 4.8L to 7.0L. Built for high-performance street and mild race applications, these lifters are designed to handle increased spring pressures and higher RPM — making them the go-to choice for reliability and long-term valvetrain performance.
Key Specifications:
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Engine Compatibility: Gen III/IV LS engines (4.8L – 7.0L)
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Lifter Body Diameter: 0.842"
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Roller Wheel Diameter: 0.700"
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Plunger Travel: 0.120"
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RPM Range: Rated for up to 6,500 RPM
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Spring Pressure Compatibility: 100–180 lbs (seat) / 280–380 lbs (open)
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Tie Bar Design: Vertical link bar for rotational stability
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Construction: Cold-formed steel body with needle roller bearings
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Pushrod Alignment: On-center (stock-style geometry)
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Lifter to Ball Seat Distance: 2.685"
Why Choose Morel 5290 Lifters?
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Stronger Than Stock: Ideal for performance camshafts and aftermarket spring pressures
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RPM Stability: Designed to handle up to 6,500 RPM without lifter float
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Precision Alignment: Vertical tie bar maintains consistent lifter orientation
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Drop-In Compatibility: Fits standard LS pushrod and bore configuration
If you're upgrading to a performance camshaft or simply want a more durable lifter for your LS build, the Morel 5290 Hydraulic Roller Lifters offer an outstanding balance of reliability, high-RPM performance, and easy installation. Trusted by builders for everything from street cars to mild strip setups.
