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  • WE LOVE DATSUNS BUT ALL SO WORK ON ANY ENGINE

    WE LOVE DATSUNS BUT ALL SO WORK ON ANY ENGINE

  • California Bear D&D gives you the fastest turnaround times, no sacrifice on work quality, and alwa

    California Bear D&D gives you the fastest turnaround times, no sacrifice on work quality, and alwa

  • Fast Turn Around, Honest Prices, Quality Work

    Fast Turn Around, Honest Prices, Quality Work

  • 5.9 Cummins Diesel

    5.9 Cummins Diesel

  • Send Us any cylinder Head for repairs. Rebuilds take 2-3 days

    Send Us any cylinder Head for repairs. Rebuilds take 2-3 days

  • Our FJ Camshaft Kits makes adding power easy to your FJ engine

    Our FJ Camshaft Kits makes adding power easy to your FJ engine

  • Our Turbo L-Series Engines produce over 500hp.

    Our Turbo L-Series Engines produce over 500hp.

  • Our Turbo Engines Put Out Maximum Horsepower While Lasting over 10 years +

    Our Turbo Engines Put Out Maximum Horsepower While Lasting over 10 years +

  • Our Custom DriveShaft Ensure The Power Coming Out the Transmission meets the Differential

    Our Custom DriveShaft Ensure The Power Coming Out the Transmission meets the Differential

  • Series 1 restoration underway. Questions about rust, welding, paint prep? Just Ask!!!!!

    Series 1 restoration underway. Questions about rust, welding, paint prep? Just Ask!!!!!

  • IS F-Sport Series 2 Piece Rotor

    IS F-Sport Series 2 Piece Rotor

  • Big Brake Kit With New Hubs

    Big Brake Kit With New Hubs

  • Stock L28 Build

    Stock L28 Build

  • RHD NISSAN KENMERI. Auto to Manual Conversion w/ electrical repairs.

    RHD NISSAN KENMERI. Auto to Manual Conversion w/ electrical repairs.

  • Roadster 2000, A very memorable build

    Roadster 2000, A very memorable build

  • A True Classic Never Goes Out of Style

    A True Classic Never Goes Out of Style

  • 510 4 Piston Brake kit

    510 4 Piston Brake kit

  • Custom parts available

    Custom parts available

  • Nap Z engine Swap in 510

    Nap Z engine Swap in 510

  • Refreshed Engine Bay and Custom Engine Build

    Refreshed Engine Bay and Custom Engine Build

  • High Compression Stage 1 KA24

    High Compression Stage 1 KA24

  • SR20 Performance build

    SR20 Performance build

  • SR20

    SR20

  • SR20

    SR20

  • Sr20

    Sr20

  • WRX LSD To Z Car Conversion

    WRX LSD To Z Car Conversion

  • FJ20 High Compression Build With Custom Header Made in House

    FJ20 High Compression Build With Custom Header Made in House

Welcome to California Bear Design & Development
Welcome! Shop with confidence. Please message us for any inquiries.

Thank you,

CA Bear team
Featured Products
Datsun L-Series Flat Top Pistons High Compression
Datsun L-Series Flat Top Pistons High Compression
The high performance flat top pistons for Datsun L-series everyone has been waiting for. We had these pistons made to handle twice the chamber pressure allowing you to build a engine over 300HP using our...
$59.00
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Camshaft Kits 6 cylinder
Camshaft Kits 6 cylinder
3 Options to choose from: Street, Track, or Turbo We can also regrind cams to any duration and lift. Please e-mail us for custom cam profiles.
$215.00
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FLAT TOP L-Series Pistons Stock HP Performance 86mm 87mm
FLAT TOP L-Series Pistons Stock HP Performance 86mm 87mm
Nissan, Datsun 240z, 280z, L18, L20, L-Series Pistons 86mm 87mm Flat Top Pistons For L-Series Engines. These high performance cast pistons have thinner rings to reduce friction and improve HP and gas mileage....
$31.00
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Datsun L-Series Custom Forged Pistons
Datsun L-Series Custom Forged Pistons
When I did my apprenticeship over 13 years ago in a high performance machine shop, the only pistons we would install in engines producing over 3,000 Hp. Yes that's right, over three thousand horsepower....
$2,385.00
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Dodge Challenger SRT 2-piece Rotor
Dodge Challenger SRT 2-piece Rotor
When Horace and John Dodge began building bicycles they never would have imagined their business going exclusively into automobiles. At the time They were building cars with 35 horsepower and now in our...
$675.00
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240Z, 260Z, 280Z, 3.2 L, High Performance Stroker Engine
240Z, 260Z, 280Z, 3.2 L, High Performance Stroker Engine
85 mm bladed billet stroker crankshaft 88 mm custom forged pistons, Diamond 11:11 compression H Beam rods with 1.5 ratio ACL Race Bearings Rods & Mains Race cam with springs & Retainers 46 mm intake, 38...
$8,850.00
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Z Car Wheelhub
Z Car Wheelhub
Made from strong light weight 6061 Aluminum, our hubs come ready to install on your vehicle. We machined these hubs so you don't have to. We pressed in new bearings and seals to make your job easier. We...
$395.00
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ACL RACE SERIES ROD Bearings
ACL RACE SERIES ROD Bearings
We are proud to offer the highest in race bearing technology for your L-series engine. When you're building a high rev or high hp engine, you are adding a significant increase in pressure to the crankshaft...
$109.95
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3.2 Stroker Kit
3.2 Stroker Kit
If you're looking to build a high horsepower NA L-series engine, this is your kit. This kit includes: A fully balanced 85mm stroke billet crankshaft with knifed edged counter weights. 89mm bore copper...
$7,325.00
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Prius & CT200h 1.8 L Pistons & Rings
Prius & CT200h 1.8 L Pistons & Rings
Prius & CT200h 1.8 L Pistons and Rings This listing is for a set of pistons and set of piston rings. Buyer is responsible to ensure item will fit their engine. If you have a question please message us...
$369.99
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WilWood Big Brake Kit W/ 2 Piece Rotor
WilWood Big Brake Kit W/ 2 Piece Rotor
Finally, a true high performance brake kit that doesn't brake the bank. This kit uses WilWoods impressive and track proven, Forged Superlite. These calipers utilize a 4 piston design with 1.75" pistons...
$960.00
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Lexus IS Series F Sport Front Drilled Rotors
Lexus IS Series F Sport Front Drilled Rotors
Lexus Owners take pride in being different and often set the curve on individuality. With these two piece rotors you'll set yourself apart from everyone buying the same drilled on slotted rotors on every...
$675.00
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Popular Products
1. FLAT TOP L-Series Pistons Stock HP Performance 86mm 87mm2. 240z and 260z Intake Seat3. 240z, 260z, 280z CV Axle Kit4. Fj20 Exhuast Seat.5. Datsun 240z, 260z, 280z, Lower Control Arm6. Nissan R180 LSD Differential 39:11 Gearing
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Finally, a true high performance brake kit  that doesn't brake the bank