MKJ258E-300 Master Engine Rebuild Kit for AMC/Jeep, 4.2L 258 [030/STD/STD]
InfoVehicle Info Needed
ENGINETECHPART NUMBER: 416-MKJ258E-300

MKJ258E-300 Master Engine Rebuild Kit for AMC/Jeep, 4.2L 258 [030/STD/STD]

Size :

$61199
ShippingShips on Sep 11, 2026
Lowest PriceLowest Price Guarantee

AMC
Master Engine Rebuild Kit
  • AMC/Jeep, 4.2L 258
  • Sizes: Piston: +0.030 in. Oversize; Rod Bearing: Standard; Main Bearing: Standard
  • Comprehensive Component Set for Complete Engine Rebuild
  • Sold as a Kit

    The Enginetech MKJ258E-300 is a master engine rebuild kit for AMC/Jeep, 4.2L 258 engines, providing a comprehensive set of components covering pistons, rings, bearings, gaskets, and seals in one package.

    Enginetech MKJ258E-300 Master Engine Rebuild Kit Features:

    • Fitment: AMC/Jeep, 4.2L 258
    • Includes pistons, rings, bearings, gaskets, and seals

    Emissions Note:

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

    • Comprehensive Engine Rebuild Solutions for Reliable Performance

      Enginetech Master Engine Rebuild Kits are engineered to provide a complete, precision-matched solution for restoring engine performance, backed by Enginetech’s long-standing reputation for quality and consistency in engine components. Designed to include all major wear items required during a rebuild, these kits typically feature pistons, rings, bearings, gaskets, oil pump, timing components, and valvetrain parts, ensuring compatibility and balanced performance across the entire assembly. Manufactured to meet or exceed OE specifications, each component is built with strict quality control to deliver dependable fitment, proper clearances, and long-term durability. With broad coverage for domestic and import applications and a focus on convenience, performance, and reliability, Enginetech master kits provide engine builders with a confident, all-in-one solution for professional rebuilds, restorations, and performance upgrades.

    Part TypeEngine Rebuild Kit
    Product LineEnginetech Master Engine Rebuild Kits
    BrandENGINETECH
    Package Height1.75
    Package Width13.25
    Package Length22.75
    Part CategoryReplacement Parts
    Size+0.030 in. Oversize
    QuantitySold as a kit
    FitmentAMC/Jeep
    Part FitmentDirect Fit
    RemanufacturedNo
    Engine Displacement4.2L 258
    Vendor Part NumberMKJ258E-300
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

    Items You Need

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    Some parts are not legal for use in California or other states with similar laws / regulations
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