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Product availability may vary, and some items may be on backorder from the manufacturer. You can contact us via the Contact Page or email us at info@holyhorsepower.co.
Product availability may vary, and some items may be on backorder from the manufacturer. You can contact us via the Contact Page or email us at info@holyhorsepower.co.

Speedforce Racing

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    Audi R8 Engine

    Speed Force Racing
    $27,855.04
    $27,855.04 - $27,855.04
    $27,855.04
    $25,069.53
    $25,069.53 - $25,069.53
    $25,069.53
    In stock

    Now you can buy a fully built short block, long block or complete engine assembly for your Audi R8 without having to pay dealer prices! We build ou...

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    $27,855.04
    $27,855.04 - $27,855.04
    $27,855.04
    $25,069.53
    $25,069.53 - $25,069.53
    $25,069.53
    Save 10% Save %

  • G35 4.1L Darton MID Engine

    Speed Force Racing
    $6,267.37 - $6,267.37
    $6,267.37
    $12,534.76
    $12,534.76 - $12,534.76
    $12,534.76
    In stock

    These engines are capable of withstanding 1000+WHP.  Now you can buy a professionally assembled, balanced and blueprinted, Darton MID sleeved short...

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    $6,267.37 - $6,267.37
    $6,267.37
    $12,534.76
    $12,534.76 - $12,534.76
    $12,534.76
  • Save 11% Save %

    Billet Intake Manifold

    Speed Force Racing
    $12,534.76
    $12,534.76 - $12,534.76
    $12,534.76
    $11,142.01
    $11,142.01 - $11,142.01
    $11,142.01
    In stock

    Application: Lamborghini Gallardo, Audi R8   Please be sure to let us know which year,make and model you drive to get the correct parts.

    $12,534.76
    $12,534.76 - $12,534.76
    $12,534.76
    $11,142.01
    $11,142.01 - $11,142.01
    $11,142.01
    Save 11% Save %
  • Save 13% Save %

    Chevy Camaro 2010-2015 twin turbo system

    Speed Force Racing
    $11,142.01
    $11,142.01 - $11,142.01
    $11,142.01
    $9,749.25
    $9,749.25 - $9,749.25
    $9,749.25
    In stock

    The SFR twin turbo system for the 2010-2015 Camaro has finally arrived. Twin Garrett turbos (v-band inlet for easy installation)Large vertical flow...

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    $11,142.01
    $11,142.01 - $11,142.01
    $11,142.01
    $9,749.25
    $9,749.25 - $9,749.25
    $9,749.25
    Save 13% Save %
  • Save 7% Save %

    4.1L Engine(Assembled shortblock with BC and Arias)

    Speed Force Racing
    $9,749.25
    $9,749.25 - $9,749.25
    $9,749.25
    $9,052.88
    $9,052.88 - $9,052.88
    $9,052.88
    In stock

    In order to run safely past 400-450WHP, an upgraded bottom-end with forged internals is a must.You get your choice of compression ratios ranging fr...

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    $9,749.25
    $9,749.25 - $9,749.25
    $9,749.25
    $9,052.88
    $9,052.88 - $9,052.88
    $9,052.88
    Save 7% Save %
  • Save 4% Save %

    Altima VQ35 3.5-3.7L Engine(assembled shortblock w/Pauter,Arias)

    Speed Force Racing
    $6,267.37
    $6,267.37 - $6,267.37
    $6,267.37
    $5,988.82
    $5,988.82 - $5,988.82
    $5,988.82
    In stock

    In order to run safely past 400-450WHP, an upgraded bottom-end with forged internals is a must.You get your choice of compression ratios ranging fr...

    View full details
    $6,267.37
    $6,267.37 - $6,267.37
    $6,267.37
    $5,988.82
    $5,988.82 - $5,988.82
    $5,988.82
    Save 4% Save %
  • Save 9% Save %

    Evo 9 Bottom Mount Turbo System

    Speed Force Racing
    $6,406.65
    $6,406.65 - $6,406.65
    $6,406.65
    $5,849.55
    $5,849.55 - $5,849.55
    $5,849.55
    In stock

    If you have been looking for a turbocharger system that is designed to make serious horsepower on your Mitsubishi Evo 8 or 9, then look no further...

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    $6,406.65
    $6,406.65 - $6,406.65
    $6,406.65
    $5,849.55
    $5,849.55 - $5,849.55
    $5,849.55
    Save 9% Save %
  • Save 8% Save %

    Evo 8 Forward Facing Turbo System

    Speed Force Racing
    $6,267.37
    $6,267.37 - $6,267.37
    $6,267.37
    $5,779.91
    $5,779.91 - $5,779.91
    $5,779.91
    In stock

    If you have been looking for a turbocharger system that is designed to make serious horsepower on your Mitsubishi Evo 8 or 9, then look no further...

    View full details
    $6,267.37
    $6,267.37 - $6,267.37
    $6,267.37
    $5,779.91
    $5,779.91 - $5,779.91
    $5,779.91
    Save 8% Save %
  • Save 22% Save %

    G35 3.5-3.7L Engine(assembled shortblock w/Eagle,Weisco)

    Speed Force Racing
    $6,267.37
    $6,267.37 - $6,267.37
    $6,267.37
    $4,874.62
    $4,874.62 - $4,874.62
    $4,874.62
    In stock

    The SFR short blocks are short blocks only. They do not come with heads, cams, oil pan, oil pick-up, waterpump, chains, rollers, tensioners or timi...

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    $6,267.37
    $6,267.37 - $6,267.37
    $6,267.37
    $4,874.62
    $4,874.62 - $4,874.62
    $4,874.62
    Save 22% Save %

  • 350Z Stage 4 Cylinder Heads

    Speed Force Racing
    $2,087.74 - $2,087.74
    $2,087.74
    $4,596.07 - $5,988.81
    $4,596.07 - $5,988.81
    $4,596.07
    In stock

    Stage 4 heads are the best flowing cylinder heads you can buy for your Z or G. They feature 1mm oversize stainless Ferrea valves with the Ferrea r...

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    $2,087.74 - $2,087.74
    $2,087.74
    $4,596.07 - $5,988.81
    $4,596.07 - $5,988.81
    $4,596.07

  • 350Z Stage 3 Cylinder Heads

    Speed Force Racing
    $2,087.74 - $2,087.74
    $2,087.74
    $3,759.04 - $5,151.78
    $3,759.04 - $5,151.78
    $3,759.04
    In stock

    Stage 3 heads are the best flowing cylinder heads you can buy for your Z or G. They feature stainless BrianCrower(BC) valves with the BC race spri...

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    $2,087.74 - $2,087.74
    $2,087.74
    $3,759.04 - $5,151.78
    $3,759.04 - $5,151.78
    $3,759.04

  • Porsche 944 Cylinder Head N/A Big Valve-Ported and Polished

    Speed Force Racing
    $2,785.51 - $3,830.04
    $2,785.51 - $3,830.04
    $2,785.51 - $3,830.04
    $2,785.51
    In stock

    All heads are disassembled and inspected then treated to a chemical dip to prepare them for porting and machining.  All of our intake and exhuast ...

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    $2,785.51 - $3,830.04
    $2,785.51 - $3,830.04
    $2,785.51 - $3,830.04
    $2,785.51
  • Save 6% Save %

    350Z Single Throttlebody Intake Manifold

    Speed Force Racing
    $2,506.94
    $2,506.94 - $2,506.94
    $2,506.94
    $2,367.67
    $2,367.67 - $2,367.67
    $2,367.67
    In stock

    In our pursuit for perfection, we quickly realized the the intake manifold on the VQ35 motor was not ideal for maximizing power.  It comes in mult...

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    $2,506.94
    $2,506.94 - $2,506.94
    $2,506.94
    $2,367.67
    $2,367.67 - $2,367.67
    $2,367.67
    Save 6% Save %

  • 350Z Stage 2 Cylinder Heads

    Speed Force Racing
    $2,087.74 - $2,087.74
    $2,087.74
    $2,366.29 - $3,760.42
    $2,366.29 - $3,760.42
    $2,366.29
    In stock

    Stage 2 heads feature extensive port work on the intake and exhaust. We utilize stock valves and springs which are inspected and tested to meet fa...

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    $2,087.74 - $2,087.74
    $2,087.74
    $2,366.29 - $3,760.42
    $2,366.29 - $3,760.42
    $2,366.29
  • Save 12% Save %

    High Velocity Intake Manifold

    Speed Force Racing
    $2,367.67
    $2,367.67 - $2,367.67
    $2,367.67
    $2,089.11
    $2,089.11 - $2,089.11
    $2,089.11
    In stock

    If you want to add an easy 25WHP to your Altima or Maxima then look no further.  Our SFR high velocity manifold is an easy bolt on and adds 25WHP t...

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    $2,367.67
    $2,367.67 - $2,367.67
    $2,367.67
    $2,089.11
    $2,089.11 - $2,089.11
    $2,089.11
    Save 12% Save %
  • Save 7% Save %

    Nissan 370Z Headers

    Speed Force Racing
    $2,089.11
    $2,089.11 - $2,089.11
    $2,089.11
    $1,949.84
    $1,949.84 - $1,949.84
    $1,949.84
    In stock

    These 370z headers were designed to increase horsepower more then any other headers on the market.  We have increased our primary runner size to 1...

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    $2,089.11
    $2,089.11 - $2,089.11
    $2,089.11
    $1,949.84
    $1,949.84 - $1,949.84
    $1,949.84
    Save 7% Save %
  • Save up to 7% Save %

    350Z Stage 1 Cylinder Heads

    Speed Force Racing
    $2,087.74
    $2,087.74 - $2,087.74
    $2,087.74
    $1,948.46 - $3,341.20
    $1,948.46 - $3,341.20
    $1,948.46
    In stock

    Stage 1 heads feature extensive port work on the intake and exhaust. We utilize stock valves and springs which are inspected and tested to meet fa...

    View full details
    $2,087.74
    $2,087.74 - $2,087.74
    $2,087.74
    $1,948.46 - $3,341.20
    $1,948.46 - $3,341.20
    $1,948.46
    Save up to 7% Save %
  • Save up to 7% Save %

    Porsche 911 Precision Billet 62mm Turbo

    Speed Force Racing
    $2,019.48
    $2,019.48 - $2,019.48
    $2,019.48
    $1,880.20 - $2,715.81
    $1,880.20 - $2,715.81
    $1,880.20
    In stock

    Precision Billet T61 turbo-SFR offers a true Billet compressor wheel turbo for those looking for the ultimate in efficiency, spool up, response and...

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    $2,019.48
    $2,019.48 - $2,019.48
    $2,019.48
    $1,880.20 - $2,715.81
    $1,880.20 - $2,715.81
    $1,880.20
    Save up to 7% Save %

  • Porsche 944 Cylinder Head

    Speed Force Racing
    $1,810.56 - $2,228.38
    $1,810.56 - $2,228.38
    $1,810.56 - $2,228.38
    $1,810.56
    In stock

    Each and every SFR head receives new OEM bronze guides and valve stem seals.The cylinder head is then machined on a Serdi head machine.The seats a...

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    $1,810.56 - $2,228.38
    $1,810.56 - $2,228.38
    $1,810.56 - $2,228.38
    $1,810.56
  • Save up to 45% Save %

    Porsche 944,944T,S2 and 968 Aluminum High Performance Radiator

    Speed Force Racing
    $2,019.48
    $2,019.48 - $2,019.48
    $2,019.48
    $1,114.19 - $1,392.72
    $1,114.19 - $1,392.72
    $1,114.19
    In stock

    Speed Force Racing now offers oversize aluminum radiators for the 9444,944T,S2 and 968.These radiators are a direct replacment for the factory unit...

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    $2,019.48
    $2,019.48 - $2,019.48
    $2,019.48
    $1,114.19 - $1,392.72
    $1,114.19 - $1,392.72
    $1,114.19
    Save up to 45% Save %

  • Honda S2000 Turbo Manifold

    Speed Force Racing
    $1,112.81 - $1,112.81
    $1,112.81
    $1,112.81 - $1,112.81
    $1,112.81
    In stock

    Would like to upgrade your existing turbo header to the SFR “UltimateFlow” exhaust manifold? Not a problem. The heart of the SFR turbo system is o...

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    $1,112.81 - $1,112.81
    $1,112.81
    $1,112.81 - $1,112.81
    $1,112.81
  • Save 4% Save %

    Aluminum Coolant Reservoir

    Speed Force Racing
    $626.72
    $626.72 - $626.72
    $626.72
    $598.87
    $598.87 - $598.87
    $598.87
    In stock

    We designed these products to allow your coolant system to have the maximum capacity possible while giving you much lower operating temperatures.Th...

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    $626.72
    $626.72 - $626.72
    $626.72
    $598.87
    $598.87 - $598.87
    $598.87
    Save 4% Save %

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