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GM LSx/LTx Tie Bar Hi-Endurance Hyd Roller Lifters
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Part Number: 5224
* Whole number only
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†Item shown in picture may not represent exact product .
These are premium quality, precision made, high performance drop-in/OE style roller lifters. Originally developed for Off-Shore racing, they feature precision Check-Ball Metering, allowing for continuous operation at high engines speeds in a high performance street or race car. They are also quite suitable for a daily driver, as they are quiet operation and do not have special preload settings like some of our competitor's performance lifters. They accept higher spring pressure than a stock lifter, allowing the engine to rev to high RPM, but they will work just fine with lighter spring pressure. They are also available in a Short-Travel version, P/N 5223-ST, by special order only.
DETAILS
P/N: 5224
Make: Chevrolet / GM
Engine: 1997-2017 GM 4.8L-7.0L Gen III/IV LSx V8
2013+ GM 5.3L-6.6L Gen V V8
Type: Hydraulic Roller
Style: Retro-Fit w/ Tie-Bar - Allows removal of OE lifter trays
Series: Hi-Endurance
Body Diameter: 0.842"
Body Height: Tall
Pushrod Offset: None (on center)
Wheel Diameter: 0.700"
Seat Height:
Weight:
Maximum RPM*: 6800 RPM
Max Spring Pressure**: 175lbs seat / 400lbs open
Min Spring Pressure**: 120lbs seat / 300lbs open
Quantity: 8 pr
*Suggested maximum RPM only based on lifter valving. Other factors such as spring pressure, valvetrain weight, rocker ratio, and lobe stability play a large role in RPM potential. You may be able to turn more or less RPM than listed.
**Minimum and Maximum spring pressure listed are only suggestions. In general, falling under the amount listed could cause poor valve control at higher RPM, and going over could cause premature cam lobe or bearing needle wear. Your application may warrant more or less prerssure - if in doubt please call for a suggestion tailored to your exact combo
OTHER SPECIFICATIONS
- 3D CAD designed and 100% CNC machined
- Forged & carburized chromoloy steel body
- Hardened/tempered Certified 52100 steel bearing assembly
- 100% Select-fit precision machined internal components for precise leak down rate
- Check-ball metering for quiet operation and precise control at high RPM
- 100% flow checked machined steel pushrod seat for precise oil metering
- Triple oil feeds for increased oil flow to internals
- Cam-film oiling reliefs for improved roller bearing lubrication
- Mechanically Hardened Austenitic Stainless Steel Tie Bar
- Proprietary Quad-loc retaining ring
**If you have any questions in regards to the compatibility with your set-up please call before you purchase**
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