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Briggs 5hp Flathead

  • 6392-5 Rod Bearings

    6392-5 Rod Bearings

    This is the .005" undersized standard bearing used on the flathead Briggs. Used on a moderately worn crank. This bearing is also used on many stroker rods for other engines such as the Animal and GX200. Each connecting rod listings shows the bearings and...
    $18.00
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  • 6392A Rod Bearings

    6392A Rod Bearings

    This is the standard .998" bearing used on the flathead Briggs with Aluminum babbit. This bearing is also used on many stroker rods for other engines such as the Animal and GX200. Our connecting rod listings also show the bearings that are used with that...
    $20.00
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  • Billet Crankshaft, 3.00"X 1"

    6565 Billet Crankshaft, 3.00"X 1"

    ARC Billet Alloy Crankshaft, 3.00" Stroke X 1" Rod Journal. Designed with extra cam clearance om counter weights for the ZR4 and similiar aftermarket blocks. Will not fit Briggs Raptor and Blockzilla applications. 
    $513.00
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  • Billet Chromoly Crankshaft, 3.00"X 1"

    6565-C Billet Chromoly Crankshaft, 3.00"X 1"

    ARC Billet Chromoly Crankshaft, 3.00" Stroke X 1" Rod Journal. Designed with extra cam clearance om counter weights for the ZR4 and similiar aftermarket blocks. Will not fit Briggs Raptor and Blockzilla applications. 
    $399.96
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  • 6575 ARC Billet Crankshaft, 3.100" X 1"

    6575 ARC Billet Crankshaft, 3.100" X 1"

    CNC machined toughest material ever used for small 4 stroke engines. Features a true 1/8" journal radius for strength and durability. Also features airplane wing style counter weights that are proportionaly designed for superior balance. ARC's...
    $513.00
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  • 6580 Billet Alloy Raptor/Animal 2.437" Stroke

    6580 Billet Alloy Raptor/Animal 2.437" Stroke

    Billet Crankshaft 2.437 Stroke with a .9985 Journal.This alloy crank features a true 1/8" journal radius for added strength and durability. Crank is balanced to be used as a stock replacement crank for the 5 HP Flathead modified.   Recommended...
    $399.96
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  • 6580-C Chromoly Billet Raptor 2.437" Stroke

    6580-C Chromoly Billet Raptor 2.437" Stroke

    Billet Hardened 4340 Chromoly Crankshaft   2.437 Stroke with a .9985 Journal.This crank features a true 1/8" journal radius for added strength and durability. Crank is balanced to be used as a stock replacement crank for the 5 HP Raptor Flat...
    $319.99
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Every ARC component is designed with young drivers in mind—balancing lightweight materials, track-proven durability, and safety-first construction.

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Are ARC parts compatible with all Jr Dragsters?

Yes, our parts are designed to fit most major Jr Dragster chassis and engine platforms. If you're unsure, our support team is here to help verify compatibility.

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Jr Dragster parts are scaled and safety-regulated specifically for younger racers, with different engine classes, weight limits, and track requirements than full-size dragsters.

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