The Tool Desk
Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →There is no universally best engine lifter: the right choice depends on your engine’s valvetrain design, camshaft, and intended use. Lifters transfer camshaft movement to the valves; changing them does not guarantee a specific horsepower gain. Before buying, confirm the exact engine and camshaft specifications, then match the lifter type and any required retention parts.
What do engine lifters do?
A lifter, also called a tappet, follows a camshaft lobe and transfers its movement into the valvetrain. In an overhead-valve (OHV) pushrod engine, that movement typically travels through pushrods and rocker arms to open the valves. In an overhead-cam (OHC) engine, the related component may instead be a hydraulic lash adjuster or a direct-acting bucket tappet; these are not generic pushrod lifters, and their dimensions and application specifications matter.
The engine’s original design and camshaft specification determine which components fit and work correctly. US Seal Inc.’s Valve Lifter Technical Guide puts it plainly: “OEM specification determines lifter type.”
What’s the difference between hydraulic and solid lifters?
| Type | How it manages clearance | Service consideration |
|---|---|---|
| Hydraulic | Oil pressure acts on an internal plunger to take up valve-train clearance automatically. | Confirm the specified lifter and operating requirements for the engine and camshaft. |
| Solid (mechanical) | Clearance is set as a specified valve lash rather than taken up by a hydraulic plunger. | Set and periodically check lash to the engine or camshaft manufacturer’s specification. |
Hydraulic designs generally reduce routine lash adjustment, while solid lifters require a specified clearance and periodic checks. Neither is a universal upgrade over the other: use the type called for by the camshaft and engine specifications. The Hot Rod lifter explainer also describes the distinctions between mechanical and hydraulic designs.
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- Texas Speed & Performance TSP Delphi LS7 Lifters (set of 16) and Guide Trays (set of 4)
- Fits: LS1, LS2, LS3, LS6, LS7, LM7, LQ4, LQ9, L83, L86, LT1
- Fits: 4.8L, 5.3L, 5.7L, 6.0L, 6.2L Gen 3 and Gen 4 LS Engines & Gen 5 LT Engines
- Non-DOD Only
Flat tappet vs. roller lifters
| Design | Cam contact | Fitment considerations |
|---|---|---|
| Flat tappet | A slightly crowned lifter face slides against the cam lobe and rotates during operation. | The lifter and cam must be a compatible set and match the engine application. |
| Roller | A small wheel rolls against the cam lobe. | The design needs an appropriate anti-rotation arrangement, such as a specified dog-bone, link-bar, or tray setup. |
Flat tappet and roller systems use different contact arrangements and can be paired with different cam profiles. That does not establish a guaranteed power increase or a universal advantage for one design. A roller conversion is not a matter of buying lifters alone: the engine’s guides or retention arrangement and the rest of the valvetrain must be suitable. Follow the camshaft and engine manufacturer’s specifications.
What causes lifter tick?
A ticking sound is a clue, not a diagnosis. A hydraulic lifter may not have filled with oil, may leak down, or may have a sticking plunger. Oil-delivery problems can also affect operation. Other possibilities include worn lifter faces or cam lobes, failed rollers, and unrelated valvetrain faults.
Rank #2
- Fits All 3.6L V6 Pentastar Engines: Compatible with Wrangler 2012-2016, compatible with Grand Cherokee 2011-2015, compatible with Grand Caravan 2011-2016, compatible with Durango 2011-2015, compatible with Charger 2011-2016, compatible with Challenger 2011-2016, compatible with R-am 1500 2011-2016, compatible with Chrysle-r 300 2011-2016; This 66-piece camshaft and lifter kit directly addresses the common 3.6 Pentastar ticking noise issue caused by worn rocker arms and hydraulic lifters
- Replaces Part Numbers: 5184377AG, 5184378AG, 5184379AG, 5184380AG, 5184296AH, 5184332AA, 5184562AC, 5184331AC, 5184595AE, 5184596AE. The 66pcs full kit includes 24 rocker arms, 24 valve lifters, camshaft components, and required gaskets — everything needed for a complete valvetrain overhaul, no extra parts required
- Premium Quality: The main body of the kit is made of high-strength alloy material, combined with cold forging technology, which can enhance the surface hardness of the rocker arm shaft and adapt to various working conditions
- Oil Circuit Optimization: Built in pressure oil channel design, which can still form an oil film under different conditions, reducing friction risks and further reducing wear
- Perfect Adaptation: Each set of components has been balanced and calibrated to avoid resonance during high-speed work, matching the precision assembly requirements of the engine
Check the oil supply and inspect the related components using the engine-specific service procedure rather than replacing lifters based on sound alone. The MasterTechPrep training explainer describes lifter fill, leak-down, sticking, and wear-related issues, and notes that a manual or special tool may be used for a leak-down check. The correct test and procedure vary by engine.
If lifters, pushrods, or rocker arms are being reused, keep wear-matched parts in their original positions and orientations. Mixing them can change how previously run-in contact surfaces meet.
Rank #3
- 【Fitment】for Chevrolet small block 265 1955-1957 4.3L, for Chevrolet small block 283 1957-1967 4.6L, for Chevrolet small block 327 1962-1969 5.4L
- 【Application】for Chevrolet small block 350 1967-2003 5.7L, for Chevrolet small block 302 1967-1969 4.9L, for Chevrolet small block 307 1968-1973 5.0L, for Chevrolet small block 400 1970-1981 6.6L
- 【Lifter Size】OD: 0.842 inch；Steel wheel diameter: 0.7000"; All length：2.992 inch；Effective working length (seat high) : 2.590 inch
- 【Great Performance】High performance aftermarket products made in our own lifters factory with more than 10 years experience
- 【Package Contents】8 Pairs of Hydraulic Roller Lifters with Lifter Link Bars
How do I choose the right lifters for my engine?
- Identify the exact engine. Gather the vehicle’s year, make, and model, plus the engine code or displacement. Establish whether it is OHV or OHC; an OHC lash adjuster or bucket tappet is not interchangeable with a generic pushrod lifter.
- Identify the camshaft. Record the camshaft make, model, and specifications. If the cam is being replaced, use its manufacturer’s lifter requirements rather than choosing by vehicle description alone.
- Verify the lifter type and dimensions. Check the engine or camshaft manufacturer’s catalog for the required hydraulic or solid design, flat tappet or roller configuration, and exact application dimensions.
- Confirm roller retention parts where applicable. If the specification calls for a hydraulic roller, verify the required dog-bone, link-bar, tray, or other anti-rotation setup. Do not assume the lifters alone complete a conversion.
- Match the choice to the intended use. OEM street replacement, performance, and racing applications may have different design and maintenance requirements. Follow the relevant manufacturer’s specifications, including any lash checks or service procedures.
A recommendation cannot be made responsibly from “best lifters” alone. Without the engine and camshaft details, a generic list cannot establish fitment. The US Seal technical guide covers lifter types and application considerations; confirm the final part number against the exact engine and camshaft catalog.
Quick Recap
Best Value
- Complete Set of 16 Hydraulic Flat Lifters – Includes sixteen (16) Enginetech L817-16 hydraulic flat tappet lifters, engineered for OE replacement and performance applications.
- Fits Popular SBC & BBC Chevy Engines – Designed to work with classic Small Block and Big Block Chevrolet V8s, including 350, 305, 327, 383, 400, and 454 engines.
- OEM-Level Fitment and Reliability – Delivers quiet operation, proper valve lift, and consistent oiling—ideal for stock rebuilds, cruisers, hot rods, and muscle cars.
- Precision Engineered for Durability – Manufactured with tight tolerance control for reliable performance under daily driving or mild performance conditions.
- Compatible with Corvette, Camaro, Chevy Trucks & More – Perfect for restoring or rebuilding vintage Chevrolet-powered vehicles from the muscle car and classic truck era.
Rank #4
- Compatible with 2005-2008 GMC Envoy, compatible with 2007-2021 Sierra, compatible with 2007-2021 Yukon. Compatible with 2007-2013 Chevy Avalanche, compatible with 2010-2022 Camaro, compatible with 2014-2022 Corvette, compatible with 2006-2009 Impala, compatible with 2006-2007 Monte Carlo, compatible with 2007-2021 Silverado, compatible with 2007-2021 Suburban, compatible with 2007-2021 Tahoe, compatible with 2005-2008 Trailblazer. Compatible with 2008-2009 Pontiac G8, compatible with 2005-2008 Pontiac Grand Prix. Compatible 2008-2009 Bulck Allure, compatible 2008-2009 LaCrosse, compatible 2005-2007 Rainier.Compatible with 2007-2012 Cadillac ESCALADE
- OEM Part Number: Replaces 12569256, 12571595, 12632143, 12619820, 12639516, 12645725, 12680871, 17122490, 17120735, 12499225, 12576400, 12648846, 25341990, 5235498, 5234890, 5234670, 5233745, 17121905, 17120090, 17089852, 5234660, 17109057
- Function: Hydraulic adjustment is adopted to automatically adjust the appropriate valve clearance state to prevent valve mechanism wear and noise
- Package Includes: A set of valve lifters (enough for one bank) required for AFM V-8 engine 8x AFM Lifters, 8x Roller Lifters. No instructions included,professional installation is recommended. Please fill the valve lifters with No. 68 hydraulic oil(pre-added in the lifters) when installing
- Hydraulic Valve Lifter: The hydraulic lifter uses oil pressure to adjust a plunger and eliminates the need of having to adjust the valves clearance regularly in the valve train. This helps to ensure less engine noise and high performance.If you have any questions about the product, please contact us by Amazon message
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
