Product Summary

Hydraulic Flat Tappet Lifter Type

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    Key Specs

    MFG. Part #846-8
    BrandCOMP Cams
    Lifter TypeHydraulic Flat Tappet
    Lifter Body Diameter0.842"
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    COMP Cams 846-8 Details

    High Energy Hydraulic lifters have a patented constant orifice metering valve that precisely meters oil to the rocker arms. Continuous contact between the metering valve and pushrod seat is maintained, eliminating excessive oiling at high engine speeds. The pushrod seat is made of a special powdered metal iron alloy that is heat-treated for strength and wear resistance.

    In addition, High Energy Lifters have a lightweight check valve disc that allows for quicker response, which results in increased engine speed before valve float. This check valve disc also maintains added control at all engine speeds and loads.

    Comp Cams High Energy Hydraulic Lifters also contain a longer piston than conventional hydraulic lifters, which provides more load bearing surface and increases lifter longevity.

    Specs

    • Diameter: .842"
    • Seat Height: 2.49"
    • Weigth: 118 grams

    Guides & Documents

    CARB Warning

    For race/ off road use only

    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. 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.

    COMP Cams 846-8 Specifications

    KEY SPECS
    MFG. Part #846-8
    BrandCOMP Cams
    Lifter TypeHydraulic Flat Tappet
    Lifter Body Diameter0.842"
    GENERAL
    Sold in QuantitySet
    GTIN Code036584220350

    Ratings & Reviews

    4.3

    3 Reviews

    Overall Assessment

    Customers appreciate the product for its quality and reasonable price, frequently choosing this brand due to evident reliability. They acknowledge its excellent performance in engines, although it's particularly optimized for street use. It's not suited for sustained high rpm over extended periods, making it perfect for everyday use. Many recommend it over other options for these qualities, vouching to buy again. This reflects the product's superior performance, affirmed by repeated use and a high rate of repurchase.

    4.3

    3 reviews

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    Filter by Ratings

    Definitely would buy again

    5.0

    7 years ago

    Sypherx2

    Colorado

    Verified

    Quality product at a reasonable price

    Would Recommend

    excellent product

    5.0

    8 years ago

    662tireman

    greenville,ms 38703

    Verified

    used this brand before in other engines excellent results

    Would Recommend

    good, but not for sustained high rpm.

    3.0

    10 years ago

    Pinto Racer

    Midwest (IL)

    Verified

    Great for street use. But at sustained rpms 5500+ for 20 minutes, and over a 6 month period, they lose the ability to pump up. I would recommend ONLY for street use.

    Would Recommend

    Showing 3 of 3 reviews

    Questions & Answers

    1 Question2 Answers

    I am looking for a set of anti-pump up lifters for a 75 pinto motor my btrack says I have to have 17 inches of vacuum I am at 16 I know anti-pump ups will give me that little extra. I know not all hydrolic lifters are anti build up. R these or can u help

    by squirrel

    15 years ago

    2 answers

    1 of 1 questions shown

    Fitment

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