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Product Summary

Many Engines, Hydraulic Flat Tappet Lifter Type

  • Provides up to 50% more low-end torque and engine vacuum than original Rhoads lifters
  • Lifters are fully adjustable and require an adjustable valvetrain
  • Typical vacuum increases range between 3 to 5 inches at idle when used with bigger cams
  • Full restoration takes place at approximately 4000 rpm
  • Ideal for racing classes with vacuum rules

Key Specs

MFG. Part #8178X
BrandRhoads Lifters

Need To Know

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Details

Rhoads V-Max lifters increase low-end torque and engine vacuum up to 50% more than original Rhoads lifters. They also rev higher, making them ideal for racing classes with vacuum rules. V-Max lifters are fully adjustable and require an adjustable valvetrain.

Typical vacuum increases range between 3 to 5 inches at idle when used with bigger cams. Duration is reduced between 5 and 20 degrees at .050" lift depending on the adjustment. As the rpm increases, so does the lift and duration. Full restoration takes place at approximately 4000 rpm.

Charts

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Specifications

KEY SPECS
MFG. Part #8178X
BrandRhoads Lifters
GENERAL
Lifter TypeHydraulic Flat Tappet
Lifter Body Diameter0.842"
Sold in QuantitySet