• Boost Controller

    Boost Controller

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    E-Boost Street Boost Controller (40 PSI) Racing technology for the street E-Boost street is an electronic boost controller aimed at the street performance market. It features many boost control...
    $480.61
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    add to cart
  • Solid Offroad Motor Mount Kit | 5VZ

    Solid Offroad Motor Mount Kit | 5VZ

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    Solid Offroad Motor Mount Kit | 5VZ As the original kit that started it all for Solid Offroad back in 2003, our 3.4L V6 motor mount kit carries over two decades of proven performance, trail-tested...
    $458.30
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  • 5VZ Red Valve Covers(2)

    5VZ Red Valve Covers(2)

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    Red Valve Covers The LC Engineering 5VZ Red powder coated valve cover is an excellent way to personalize your 5VZ engine. The valve cover comes with the LC Engineering logo badging. We also have new...
    $482.40
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  • 38mm Dual Port Blow Off Valve

    38mm Dual Port Blow Off Valve

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    38mm "Dual Port" Blow Off Valve (You Choose Color) Four BOVs in one. The Dual Port can be configured as a Supersonic, Megasonic, Plumb Back or Dual Port! Features sequential ports for quiet operation...
    $367.66
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  • GenV CompGate40 | External Wastegate

    GenV CompGate40 | External Wastegate

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    GenV CompGate40 | 7 PSI | External Wastegate | Select Color The Turbosmart GenV WG40 CompGate40 is a motorsport-proven, high-flowing external wastegate engineered to deliver best-in-class flow...
    $360.09
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  • 38mm Supersonic Blow Off Valve

    38mm Supersonic Blow Off Valve

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    38mm "Supersonic" Blow Off Valve (You Choose Color) A BOV for racers and serious enthusiasts who want to be noticed. Supersonic provides a superior flow performance with a unique "supersonic" sound...
    $324.40
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  • 50mm Race Port Blow Off Valve
    50mm Race Port Blow Off Valve

    50mm Race Port Blow Off Valve

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    50mm "Race Port" Blow Off Valve (Choose Your Color) With an oversize 52mm inlet, the Race Port is Turbosmart's largest and highest-flowing blow-off valve, outflowing all competitors in its class...
    $324.40
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  • 32mm Plumb Back Blow Off Valve

    32mm Plumb Back Blow Off Valve

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    32mm "Plumb Back" Blow Off Valve (You Choose Color) This is a fully recirculating blow off valve. A quiet alternative to the atmospheric BOV, the Plumb Back systems vents all excess pressure back...
    $313.58
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  • 38mm Plumb Back Blow Off Valve

    38mm Plumb Back Blow Off Valve

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    38mm "Plumb Back" Blow Off Valve (You Choose Color) This is a fully recirculating blow off valve. A quiet alternative to the atmospheric BOV, the Plumb Back systems vents all excess pressure back...
    $313.58
    choose option

Bottom End Parts That Handle Real Power

A strong engine starts at the bottom. Our bottom end selection covers the internal components that keep your block together under stress. You will find forged and stock replacement connecting rods, precision ground crankshafts, and durable pistons designed to handle added boost or nitrous. 

We also stock oiling components that keep pressure consistent on steep climbs, along with timing components and a reliable water pump to prevent overheating during long trail runs. These pieces work together to give your 4Runner a foundation that can survive years of hard use.

Top End Toyota 4Runner 3rd Gen Engine Components For Better Airflow

The top end controls how efficiently your engine breathes, which directly affects power and fuel economy. Our top end parts include:

Each of these pieces plays a role in how air and fuel move through your engine. Upgrading your camshaft, refreshing your cylinder head, or replacing worn valvetrain components can noticeably improve throttle response, especially when paired with a complete valvetrain kit.

Turbo and Supercharger Options for More Power

For owners chasing serious horsepower, our forced induction lineup delivers real results. Our turbo kit options include complete turbo kits, individual turbos, turbo manifolds, intercoolers, and boost control parts to keep pressure in check.

Prefer a different route to power? Check out our supercharger kit selection. Each option suits a different driving style, so think about how you use your 4Runner before choosing a path.

4Runner 3rd Gen Engine Parts For Rebuilds & Long Block Swaps

Sometimes the smartest move is starting fresh. Our long block options give you a complete, ready to install foundation without hunting down individual parts. If your current engine just needs new life, our rebuild kit selections include:

  • Gaskets and seals for a tight rebuild
  • Bearings sized for factory tolerances

These kits take the guesswork out of a full rebuild and help ensure everything fits correctly the first time. Browse our full engine catalog to find the right combination for your 3rd Gen 4Runner build and contact our team at LCE if you have any questions.

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