Interior Upgrades & Accessories

Personalise your driving space with car interior upgrades and accessories from Speed Science. Explore steering wheels, boss kits, quick release hubs, shift knobs, shifters and shift boots, alongside race seats, seat rails, harnesses and harness bars.

Find gauges, shift lights, switch panels and dash accessories to complete your setup, plus pedals, pedal boxes and hydraulic handbrakes. Check individual product listings for vehicle compatibility, mounting requirements and specifications before choosing parts for your build.

  • EPMAN Universal 5 Speed Weighted Shift Knob-Shift Knobs-Speed Science

    EPMAN Universal 5 Speed Shift Knob

    EPMAN
    $33.06 NZD

    A simple, cost-effective interior upgrade from the guys at EPMAN Racing. Designed to fit just about any vehicle with their innovative plastic thre...

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    $33.06 NZD
  • AEM X-Series Wideband UEGO AFR Gauge & Sensor
    Sale

    AEM X-Series Wideband UEGO AFR Gauge & Sensor

    AEM
    Original Price $533.90 NZD
    Current Price $459.15 NZD

    A wideband UEGO sensor controller accurately monitors Air/Fuel ratios (AFR) during the tuning process to prevent a lean fuel mixture, which could l...

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    Original Price $533.90 NZD
    Current Price $459.15 NZD
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  • EPMAN 52mm Gauge Mounting Cup-Gauge Accessories-Speed Science

    EPMAN 52mm Gauge Mounting Cup

    EPMAN
    $19.84 NZD

    EPMAN 52mm Gauge Mounting Cup Suitable for  2"/52mm gauge, exhaust gas temp gauge, turbo boost gauge, voltage gauge, tachometer ect.Cup Holder In...

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    $19.84 NZD
  • EPMAN Adjustable Short Shifter - B/D Series-Shifters-Speed Science

    EPMAN Adjustable Short Shifter - B/D Series

    EPMAN
    $130.93 NZD

    The Honda B & D Series Shifter was designed with full adjustability in mind. The shifter pivot ball and shifter are height adjustable and the o...

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    $130.93 NZD
  • EPMAN Universal 6 Speed Weighted Shift Knob-Shift Knobs-Speed Science

    EPMAN Universal 6 Speed Shift Knob

    EPMAN
    $33.06 NZD

    A simple, cost-effective interior upgrade from the guys at EPMAN Racing. Designed to fit just about any vehicle with their innovative plastic thre...

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    $33.06 NZD
  • EPMAN Short Shifter - Single Bend-Shifters-Speed Science

    EPMAN Single Bend Short Shifter - EF/EG/EK

    EPMAN
    $34.00 NZD

    EPMAN Short Shifter – Single Bend The Short Shifter is made with high strength billet steel and nickel plated for ultra-low friction and corrosion...

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    $34.00 NZD
  • EPMAN Digital Boost Gauge-Gauges-Speed Science

    EPMAN Digital Boost Gauge

    EPMAN
    $58.99 NZD

    Epman's range of digital gauges represents fantastic value for money. A stylish, accurate gauge that gives you the info you need! Quality electroni...

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    $58.99 NZD
  • EPMAN Water Temp Sender Adaptor-Gauge Accessories-Speed Science

    EPMAN Water Temp Sender Adaptor

    EPMAN
    $25.13 NZD

    A must-have when installing a water temp sensor for aftermarket gauge. Splices in easily to the upper radiator hose.

    $25.13 NZD
  • Hybrid Racing 130R Delrin Shift Knob

    Hybrid Racing 130R Delrin Shift Knob

    Hybrid Racing
    $127.63 NZD

    Grabbing the gear lever in your car is a great feeling, except when your knob isn't comfortable. We developed the MAXIM aluminum knob that is not ...

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    $127.63 NZD
  • NRG Innovations Quick Release Gen 2.0-Quick Release Hubs-Speed Science

    NRG Innovations Quick Release Gen 2.0

    NRG Innovations
    $295.88 NZD

    Please ask us about ordering this product.Meet Generation 2.0. Our best selling Quick Release that features many options that conventional ball-loc...

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    $295.88 NZD
  • EPMAN Suede Steering Wheel - 350mm Dish-Steering Wheels-Speed Science

    EPMAN Suede Steering Wheel - 350mm Dish

    EPMAN
    $130.93 NZD

    High-quality alloy steering wheel wrapped with genuine suede.  Horn button and wiring included as per photos. Size and design are inspired by the c...

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    $130.93 NZD
  • EPMAN Digital Water Temp Gauge-Gauges-Speed Science

    EPMAN Digital Water Temp Gauge

    EPMAN
    $58.99 NZD

    Epman’s range of digital gauges represents fantastic value for money. A stylish, accurate gauge that gives you the info you need! Quality electron...

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    $58.99 NZD
  • EPMAN Digital Oil Pressure Gauge-Gauges-Speed Science

    EPMAN Digital Oil Pressure Gauge

    EPMAN
    $58.99 NZD

    Epman’s range of digital gauges represents fantastic value for money. A stylish, accurate gauge that gives you the info you need! Quality electron...

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    $58.99 NZD
  • Grams Performance Fuel Pressure Gauge - 0-120psi-Fuel Pressure Gauges-Speed Science
    Sale

    Grams Performance Fuel Pressure Gauge - 0-120psi

    Grams Performance
    Original Price $57.03 NZD
    Current Price $54.62 NZD

    Compliment your fuel regulator with the Grams fuel pressure gauge. This easy to read, matte black stainless steel gauge measures 0-120 psi (8.27 b...

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    Original Price $57.03 NZD
    Current Price $54.62 NZD
    Sale
  • JBR Solid Shifter Bushings - MPS 3 Gen 1/2-Shifter Mounting-Speed Science
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    JBR Solid Shifter Bushings - MPS 3 Gen 1/2

    JBR
    $69.10 NZD

    JBR Solid Shifter Bushings replace the stock Mazda rubber grommets that hold the shifter cage to the floorboard. The JBR Solid Shifter Bushings cr...

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    $69.10 NZD
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  • EPMAN Universal Carbon Fibre Gear Knob - Spherical

    EPMAN Universal Carbon Fibre Gear Knob - Spherical

    EPMAN
    $64.80 NZD

    EPMAN - Real Carbon Fiber Gear Knob for manual transmission. Package Includes: 1 x Carbon Fiber Gear Knob 3x thread adapters include Features:...

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    $64.80 NZD
  • COBB Shift Knob MazdaSpeed-Shift Knobs-Speed Science

    COBB Shift Knob MazdaSpeed

    COBB
    $210.62 NZD

    The COBB Knob is designed to keep those extended shifting sessions exhilarating. The billet aluminum base is anodized in your choice of red or bl...

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    $210.62 NZD
  • HKB Boss Kit - EG/DC-Boss Kits-Speed Science

    HKB Boss Kit - EG/DC - Non SRS

    HKB
    $94.99 NZD

    HKB Japan is known worldwide as having the best quality boss kits on the market. When purchasing an aftermarket steering wheel you need a boss kit ...

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    $94.99 NZD
  • Hybrid Racing Fuel Pressure Gauge-Fuel Pressure Gauges-Speed Science

    Hybrid Racing Fuel Pressure Gauge V2

    Hybrid Racing
    $106.35 NZD

    The precision-engineered Hybrid Racing fuel pressure gauge provides accurate fuel pressure readings that are critical for highly sophisticated fu...

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    $106.35 NZD
  • EPMAN Steering Wheel Screw Set

    EPMAN Steering Wheel Screw Set

    EPMAN
    $13.21 NZD

    Chances are if you're looking for these you've lost or rounded the ones you had. Affordable and a nice visual upgrade - these EPMAN burnt titanium ...

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    $13.21 NZD
  • EPMAN Universal Shift Boot - Carbon Style-Shift Boots-Speed Science

    EPMAN Universal Shift Boot - Carbon Style

    EPMAN
    $26.45 NZD

    A cheap and cheerful upgrade for any car.  These are a universal fit so a little mucking about may be required to get the desired result. Features...

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    $26.45 NZD
  • HKB Boss Kit - EK/EP3/FD2/FN2/DC5/S2K/Lude/CF/CL - Non SRS-Boss Kits-Speed Science

    HKB Boss Kit - EK/EP3/FD2/FN2/DC5/S2K/Lude/CF/CL - Non SRS

    HKB
    $94.99 NZD

    HKB Japan is known worldwide as having the best quality boss kits in the market. When you purchase an aftermarket steering wheel you will be needi...

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    $94.99 NZD
  • Hybrid Racing Honda Shift Boot Collar-Shift Boots-Speed Science

    Hybrid Racing Maxim Honda Shift Boot Collar

    Hybrid Racing
    $85.08 NZD

    Want to swap out the stock knob in your car but hate having a saggy shift boot? Say no more! Our two-piece shift boot collar replaces your factory...

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    $85.08 NZD
  • EPMAN Dual 52mm Gauge Mount-Gauge Accessories-Speed Science

    EPMAN Dual 52mm Gauge Mount

    EPMAN
    $26.45 NZD

    Gauge holder mount meter pod, it can hold 2" exhaust temp gauge,  turbo boost gauge, voltage gauge, tachometer gauge and so on. Base approx 17.5cm...

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    $26.45 NZD
  • HKB Boss Kit - EK/EP3/FD2/FN2/DC5/S2K/Lude/CF/CL - With SRS-Boss Kits-Speed Science

    HKB Boss Kit - EK/EP3/FD2/FN2/DC5/S2K/Lude/CF - With SRS

    HKB
    $209.99 NZD

    HKB Japan is known worldwide as having the best quality boss kits in the market. When you purchase an aftermarket steering wheel you will be need...

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    $209.99 NZD
  • EPMAN Honda Short Shifter - Dual Bend-Shifters-Speed Science

    EPMAN Dual Bend Short Shifter - DA/DC

    EPMAN
    $34.95 NZD

    EPMAN Dual Bend Short Shifter - DA/DC The Short Shifter is made with high strength billet steel and nickel plated for ultra-low friction and corros...

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    $34.95 NZD
  • EPMAN Triple 52mm Gauge Mount-Gauge Accessories-Speed Science

    EPMAN Triple 52mm Gauge Mount

    EPMAN
    $33.06 NZD

    Universal triple gauge pod made from black ABS Plastic.  Pod holder can be position on your dash or use as a starter mould for your fiberglass Des...

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    $33.06 NZD
  • Hybrid Racing Adjustable Short Shifter Assembly V3 - DC5/K-Swap-Shifters-Speed Science

    Hybrid Racing Adjustable Short Shifter Assembly V3 - DC5/K-Swap

    Hybrid Racing
    $978.63 NZD

    The performance of a shifter is everything. It can mean the difference between winning a race and missing a shift, and a high-quality shifter can m...

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    $978.63 NZD
  • EPMAN Universal Carbon Fibre Gear Knob - 130mm-Shift Knobs-Speed Science

    EPMAN Universal Carbon Fibre Gear Knob - 130mm

    EPMAN
    $91.25 NZD

    Package Includes: 1x Carbon Fiber Gear Knob 3x thread adapters included Features: Fit for most manual vehicles, enclose different adapter (g...

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    $91.25 NZD
  • EPMAN Digital Oil Temp Gauge-Gauges-Speed Science

    EPMAN Digital Oil Temp Gauge

    EPMAN
    $58.99 NZD

    Epman’s range of digital gauges represents fantastic value for money. A stylish, accurate gauge that gives you the info you need! Quality electron...

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    $58.99 NZD
  • Hybrid Racing Short Shifter - B Series / D Series

    Hybrid Racing Short Shifter - B Series / D Series

    Hybrid Racing
    $787.15 NZD

    The wait is over For over 30 years racers and enthusiasts have dealt with mediocre B-series & D-series shifters with virtually no real innovat...

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    $787.15 NZD
  • Radium Fuel Pressure Gauge, 0-100psi
    Sale

    Radium Fuel Pressure Gauge, 0-100psi

    Radium Engineering
    from $29.90 NZD

    This high-accuracy fuel pressure gauge is suitable for all fueling applications. It features an acrylic lens with a silicone filled dial that reads...

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    from $29.90 NZD
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  • Hybrid Racing V4 Performance Shift Knobs-Shift Knobs-Speed Science

    Hybrid Racing V4 Performance Shift Knobs

    Hybrid Racing
    $127.63 NZD

    Grabbing the gear lever in your car is a great feeling, except when your knob isn't comfortable. We wanted to develop a knob that was not only lig...

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    $127.63 NZD
  • Hybrid Racing Adjustable Short Shifter Assembly V3 - Accord CL7/9

    Hybrid Racing Adjustable Short Shifter Assembly V3 - Accord CL7/9

    Hybrid Racing
    $978.63 NZD

    We take our shifters seriously. The performance of a shifter is everything. It can mean the difference between winning a race and missing a shift, ...

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    $978.63 NZD
  • Skunk2 Billet Shift Knob 6 Speed-Shift Knobs-Speed Science

    Skunk2 Billet Shift Knob 6 Speed (Honda)

    Skunk2
    $147.54 NZD

    Skunk2's Fine Tuning products and accessories, like its billet Shift Knobs for six-speed Hondas, help put the finishing touches onto your vehicle ...

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    $147.54 NZD
  • EPMAN Fuel Pressure Gauge
    Sold out

    EPMAN Fuel Pressure Gauge

    EPMAN
    $26.45 NZD

    Fuel pressure gauge liquid 0-160 psi oil press gauge fuel gauge white face universal 1/8 NPT 0-160 psi universal High Quality Fuel Pressure Gauge ...

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    $26.45 NZD
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  • Hybrid Racing V4 Performance Shift Knob - Stainless-Shift Knobs-Speed Science

    Hybrid Racing V4 Performance Shift Knob - Stainless

    Hybrid Racing
    $170.18 NZD

    Grabbing the gear lever in your car is a great feeling, except when your knob isn't comfortable. We wanted to develop a knob that was not only wei...

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    $170.18 NZD
  • EPMAN Digital Exhaust Gas Temp Gauge-Gauges-Speed Science

    EPMAN Digital Exhaust Gas Temp Gauge

    EPMAN
    $58.99 NZD

    Epman’s range of digital gauges represents fantastic value for money. A stylish, accurate gauge that gives you the info you need! Quality electron...

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    $58.99 NZD
  • EPMAN Universal Shift Boot - Suede

    EPMAN Universal Shift Boot - Suede

    EPMAN
    $26.45 NZD

    A cheap and cheerful upgrade for any car.  These are a universal fit so a little mucking about may be required to get the desired result. Features:...

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  • Turbosmart Boost Gauge 0-30psi 52mm 2 1/16"

    Turbosmart Boost Gauge 0-30psi 52mm 2 1/16"

    Turbosmart
    $91.49 NZD

    Turbosmart mechanical boost gauge is the perfect accessory for any of our Gated Boost Control Valves Featuring simple mechanical operation, a blac...

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    $91.49 NZD
  • NRG Innovations Quick Release V2.8

    NRG Innovations Quick Release V2.8

    NRG Innovations
    $350.00 NZD

    The SRK-280BK Quick Release utilizes all the features of the Second Generation Systems ball-locking quick release system engineered with raised sec...

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    $350.00 NZD
  • JBR Short Shifter - MPS 3 Gen 1-Shifters-Speed Science
    Sold out

    JBR Short Shifter - MPS 3 Gen 1

    JBR
    $334.03 NZD

    The JBR Short Shifter not only reduces the throw of your shifter by 35% but, it also reduces the height of the shifter by 1.75". Constructed out o...

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    $334.03 NZD
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  • JBR Reverse Lock Out Plate - MPS 3 Gen 1-Shifters-Speed Science
    Sold out

    JBR Reverse Lock Out Plate - MPS 3 Gen 1

    JBR
    $106.43 NZD

    The JBR Reverse Lock-Out Gate Guide is essential if you own a GEN 1 Mazdaspeed 3. After only a few thousand miles the OEM plastic gate guide will ...

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    $106.43 NZD
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  • JBR Short Shift Plate & CounterWeight - MPS3 Gen 1/2

    JBR Short Shift Plate & CounterWeight - MPS3 Gen 1/2

    JBR
    $244.16 NZD

    Our Adjustable Short Throw Shift Plate kits are the simplest and most effective way to reduce the throw of your shifter by as little as 20% or by a...

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  • Tegiwa Progressive Shift Light

    Tegiwa Progressive Shift Light

    Tegiwa
    $203.50 NZD

    TEGIWA Shift Light. You probably don’t use your existing rev counter, which is not surprising given how difficult it is to see when you most need i...

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    $203.50 NZD
  • Skunk2 Billet Shift Knob 5 Speed (Honda)

    Skunk2 Billet Shift Knob 5 Speed (Honda)

    Skunk2
    $147.54 NZD

    Skunk2's Fine Tuning products and accessories, like its billet Shift Knobs for five-speed Hondas, help put the finishing touches onto your vehicle...

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    $147.54 NZD
  • CorkSport Mazdaspeed Boost Gauge

    CorkSport Mazdaspeed Boost Gauge

    CorkSport
    $265.92 NZD

    Keep an eye on your turbocharged Mazda’s performance with the CorkSport Electronic Boost Gauge.  Style and design aspects with an optional color ch...

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    $265.92 NZD
  • Honda Stereo Din Blanking Plates-Switch Panels-Speed Science

    Honda Stereo Din Blanking Plates

    Honda Genuine Parts
    from $45.00 NZD

    Honda Stereo DIN Blanking Plates Wanting to tidy up your race car, mount gauges or Tuner View, create a switch panel, or don't want to run a lower ...

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    from $45.00 NZD