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Scat Stroker Kit; 10.7:1 (87-90 4.2L Jeep Wrangler YJ)

Item J101236
ExtremeTerrain no longer carries the Scat Stroker Kit; 10.7:1 (87-90 4.2L Jeep Wrangler YJ). Please check out Jeep JL Internal Engine Parts for Wrangler (2018-2021) for an updated selection.
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    Product Information

    Features, Description, Reviews, Q&A, Specs & Installation

    Features

    • Premium Stroker Kit
    • 10.7:1 Compression Ratio
    • Upgrades Your 258 CI to 280 CI
    • Internal Balanced
    • Forged Pistons
    • Retains 3.895" Crank Stroke
    • Increases Power with Greater HP Gains
    • Polished and Ground to Exact Tolerances
    • Doweled Cap for Perfect Alignment
    • Sized to the Tightest Possible Spec
    • Precision Honed with Diamond Tooling
    • Rods Feature 2 Piece Chromoly Steel Forging
    • 7/16" Cap Screws
    • Made with ARP Bolts
    • For Use on 1987-1990 4.2L YJ Inline 6 Cylinder Engines

    Description

    Premium Power. Upgrade your feeble factory 4.2L engine with the Scat 10.7:1 Stroker kit. This rotating assembly is completely internally balanced and will give you more power by expanding your engine to 280 Cubic Inches. You'll see greater horsepower with this upgrade with an over the top 10.7:1 compression ratio.

    Durable Construction. Scat takes great care and is dedicated to making sure their balanced assemblies are sized to the tightest possible specification. This high quality kit is comprised of 2 piece chromoly steel forged rods with 7/16" cap screw ARB bolts for the most reliable fit and are precision honed with diamond tooling for exact tolerances. Dowel capped pistons for precise alignment, a ground and polished crankshaft and all required oil rings are included for a fully complete kit to upgrade your YJ to supreme power.

    Installation. Upgrading to a stroker kit is an extreme upgrade and process, requiring full tear down of your engine's rotating assembly. We recommend you have an experienced mechanic install this kit. This stroker kit is internally balanced.

    Application. This 10.7:1 Scat Stoker Kit is designed for use on 1987-1990 4.2L Jeep Wrangler YJ models.

    Fitment:

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    Installation & What's in the Box

    Installation Info

    What's in the Box

    • Crankshaft
    • Pistons
    • Connecting rods
    • Rings
    • Bearings
    4.0

    Customer Reviews (1)

      Reviews of Scat Engine products have an average rating of 4 out of 5

        Questions & Answers

        10 More Questions

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