Modified Engine Parts

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Modified

4,957 products

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Application

Oval Track

Race Type

Modified

Products

Speedway Motors |

#55054

Open 4 Barrel Carburetor Base Gasket

(38)

Carburetor Barrels:

4-Barrel

Carburetor Flange Type:

4-Barrel Square Bore

Overall Thickness:

.059"

$7.39

/each

-24%

Powermaster |

#255900014

Powermaster 9000-14 PowerMAX Plus Starter, Bert/Brinn, Natural

Starter Size:

Mini

Flywheel/Flexplate Tooth Count:

153-tooth/168-tooth

Mount Type:

Bolt-On

$207.99

/each

$273.75

-19%

Longacre |

#47521730

Longacre® 52-21730 Hot Lap GPS Triggered In-Car Timer

$240.99

/each

$297.99

Outerwears |

#5641025

Outerwears Valve Cover Breather Pre-Filter

(20)

Base Diameter:

3.00"

Overall Height:

2.50"

Sold in Quantity:

Each

$10.97

/each

Speedway Motors |

#54564940

Plastic Open Carburetor Spacer, 1 Inch

(11)

Carburetor Flange Type:

4-Barrel Square Bore

Overall Thickness:

1.00"

Material Type:

Plastic

$47.99

/each

IMCA Modified Spec Engine Guide | Everything You Need to Know

There's a new spec engine option for the 2025 IMCA Modified season. Here's what you need to know.

Speedway Motors Introduces New IMCA Modified Spec Racing Engine as they Kick Off 2025 Race Season

Speedway Motors announced today the introduction of a new IMCA Modified Spec Racing Engine as they kick off the 2025 race season along with discounts Jan. 27-Feb. 2 to help their customers get ready for race season.

How to Mount a Modified Race Car Body

Learn a few tips on how to properly mount Modified bodies and some products that will help get your race car body fabrication job done!

Setting Up Your Modified Race Car

In order to be competitive and win, it's important to find the right set up that works for you and your car. Here's some general reminders to remember during set up!

Quick Change Bolt On Components for a Modified Race Car

This article demonstrates how to install a complete Winters quick change kit with additional parts including birdcages, brackets, and calipers for a modified race car.

Pick a Side: Engine Swaps

Where do you stand on engine swaps? Does your Ford need to have a Ford engine and your Chevy need to have a Chevy? Or, does anything go in the name of speed? We want to hear your opinion...

1967 Firebird Engine Refurbish

Follow this restoration guide as Josh breathes new life back into his Pontiac engine.

Dirt Modified Racing Classes Explained | A-Mod, B-Mod, and E-Mod

Dirt modified racing delivers high-horsepower, adrenaline-fueled action, learn more about them and their racing classes

Fix An Overheating Race Engine | Beyond The Cooling System

Overheating is a major cause of DNFs and damaged engines. We'll go beyond the cooling system for solutions to your overheating issues.

Cover Car Contest Winner: Bryce's IMCA Northern Sport Modified

Meet Bryce Campbell. He's the winner of our Cover Car Contest and this is his IMCA Sport Mod. He's taken his whole family racing with him, and we're thrilled to bring you his story.

Speedway Motors |

#91016121

Speedway Motors Aluminum Round Breather

Sold in Quantity:

Each

Material Type:

Aluminum

Overall Length:

2.82"

$27.99

/each

Straight Socketless Push-On Hose End, -10 AN

Speedway Motors |

#6202004

Straight Socketless Push-On Hose End, -10 AN

(5)

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Hose

$14.99

/each

-7%

MSD 8672 RPM Module Rev Limiter Selector Switch, 6000-8200 RPM

MSD |

#5478672

MSD 8672 RPM Module Rev Limiter Selector Switch, 6000-8200 RPM

(3)

Color:

Red

Sold in Quantity:

Each

GTIN Code:

085132086726

$139.95

/each

$151.95

COMP Cams |

#282K202223

COMP Cams K20-222-3 Xtreme Energy Hydraulic Camshaft Kit,Mopar 273/360

(1)

Camshaft Type:

Hydraulic Flat Tappet

Intake Duration (.050" Lift):

218

Exhaust Duration (.050" Lift):

224

$593.95

/each

Speedway Harmonic Balancer Dampener Puller/Install Tool Set

Speedway Motors |

#91081600

Speedway Harmonic Balancer Dampener Puller/Install Tool Set

(21)

Sold in Quantity:

Set

$103.99

/each

Gates |

#39532922

Gates 32922 Power Grip Hose Clamp, 13/16 Inch - 15/16 Inch OD

(1)

Style:

Heat-Shrink

Material Type:

Thermoplastic

Color:

Black

$11.99

/each

1980-1988 Small Block Chevy Chrome Dipsticks

Speedway Motors |

#7209420

1980-1988 Small Block Chevy Chrome Dipsticks

(15)

Material Type:

Steel

Sold in Quantity:

Each

$16.99

/each

Edelbrock |

#3252116

Edelbrock 2116 Performer Vortec Small Block Chevy Intake

(3)

Intake Manifold Type:

Dual Plane

Carburetor Flange Type:

Dual: Square and Spread Bore

RPM Range:

Idle-5,500

$342.95

/each

Proform |

#58667569

Proform 67569 Oil Pump Primer Tool, GM LS

(1)

Sold in Quantity:

Each

GTIN Code:

037995711130

$69.99

/each

Valve Cover Breather Filter - 1 3/8 Inches

Speedway Motors |

#465621440

Valve Cover Breather Filter - 1 3/8 Inches

(11)

Attachment Style:

Clamp-on

Valve Cover Hole Size:

1.375"

$18.49

/each

Small Block Chevy High Rise Intake & Sniper 2 EFI Conversion Kit

Speedway Motors |

#91607056

Small Block Chevy High Rise Intake & Sniper 2 EFI Conversion Kit

Intake Manifold Type:

Dual Plane

RPM Range:

1,500-6,500

Material Type:

Aluminum

$2,132.99

/kit

Speedway Mechanical Oil Pressure Gauge, 2-1/16 Inch, White

Speedway Motors |

#91065040

Speedway Mechanical Oil Pressure Gauge, 2-1/16 Inch, White

(18)

Gauge Diameter:

2-1/16"

Gauge Series:

Analog

Gauge Style:

Mechanical

$38.99

/each

Ideal Heavy Duty T-Bolt Clamp, 1-3/4 Inch Minimum Clamping Diameter

Ideal Clamps |

#917175

Ideal Heavy Duty T-Bolt Clamp, 1-3/4 Inch Minimum Clamping Diameter

Style:

T-Bolt

Material Type:

Steel

Color:

Natural

$7.99

/each

Power Steering Fitting, AN6 to 5/8-18 O-ring

Speedway Motors |

#6174803

Power Steering Fitting, AN6 to 5/8-18 O-ring

(6)

Fitting End A:

-6 AN Male

Fitting End B:

5/8"-18 Male O-ring

Angle:

Straight

$7.49

/each

Forged Small Block Chevy Rotating Assembly, 383 Dome, H-Beam, 5.7 Rods

Speedway Motors |

#9151255

Forged Small Block Chevy Rotating Assembly, 383 Dome, H-Beam, 5.7 Rods

(1)

Connecting Rod Type:

H-Beam

Piston Style:

Dome

Piston Material:

Forged Aluminum

$2,216.99

/kit

Speedway Motors |

#9109845

Speedway Motors 14x4 Inch Air Cleaner/Pre-Filter/Breather Kit

(1)

Shape:

Round

Overall Diameter:

14"

Filter Material:

Reusable Cotton Gauze

$137.99

/kit

Maxima |

#22932912

Maxima Racing Oils 22932901 RS Full Synthetic, 15W50, 12 Quarts

(3)

Oil Weight:

15W50

Oil Type:

Synthetic

ZDDP Enhanced:

Yes

$186.99

/box

Gates |

#39532919

Gates 32919 Power Grip Hose Clamp, 11/16 Inch - 13/16 Inch OD

(3)

Style:

Heat-Shrink

Material Type:

Thermoplastic

Color:

Black

$5.19

/each

Speedway Motors |

#91017002

Valve Cover Hold Down Clamps

(37)

Overall Length:

4.80"

Material Type:

Steel

Sold in Quantity:

Set

$12.99

/set

Scott Performance HEI 10mm Spark Plug Wires

Scott Performance Wire |

#9100407C

Scott Performance HEI 10mm Spark Plug Wires

(10)

Diameter:

10"

Cap Terminal Style:

HEI / Male

Sold in Quantity:

Set

$157.99

/set

ARP 134-2001 Intake Manifold Bolt Kits, Chromoly

ARP |

#1011342001

ARP 134-2001 Intake Manifold Bolt Kits, Chromoly

(11)

GTIN Code:

672036001704

$25.99

/each

MSD |

#5475095

MSD 5095 DynaForce Chevy Starter

(8)

Starter Size:

Mini

Flywheel/Flexplate Tooth Count:

153-tooth/168-tooth

Mount Type:

Inline

$449.95

/each

Stainless T-Bolt Clamp, 3-7/16 Inch Minimum Clamping Diameter

Speedway Motors |

#910553358

Stainless T-Bolt Clamp, 3-7/16 Inch Minimum Clamping Diameter

(1)

Style:

T-Bolt

Material Type:

Stainless Steel

Color:

Natural

$6.59

/each

Mobil 1 |

#324102989

Mobil 1 Extended Performance Full Syn Oil 5W-20, 1 Qt, Case of 6

Oil Weight:

5W20

Oil Type:

Synthetic

ZDDP Enhanced:

$63.99

/box

Speedway Motors |

#91015457

Replacement HTD Belt, 800mm x 20mm

Sold in Quantity:

Each

$35.99

/each

Speedway Motors |

#6176205

Aluminum Allen Pipe Plugs, 3/8 Inch NPT

(5)

Fitting Type:

Plug Fitting

Fitting Size 1:

3/8" Male NPT

Fitting Attachment 1:

Male NPT

$6.99

/pair

Straight Socketless Push-On Hose End, Nickel, -10 AN

Speedway Motors |

#6201514

Straight Socketless Push-On Hose End, Nickel, -10 AN

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Hose

$17.99

/each

Holley |

#9109618

Holley 0-4412CT Circle Track 500CFM 2BBL Carb w/Adj. Adapter Kit

(1)

Carburetor Barrels:

2-Barrel

Fuel Type:

Gasoline

Choke Type:

No Choke

$729.99

/kit

Speedway Motors |

#91015451

8MM HTD Drive Belt, 560MM / 22 Inch

(3)

Belt Type:

HTD

$30.99

/each

Speedway Motors |

#54564035

Universal Water Pump Shim Kit

(40)

Material Type:

Aluminum

Sold in Quantity:

Set

$11.49

/set

COMP Cams |

#282159

COMP Cams 159 Engine Break-In Oil Additive, 12 Ounce

(35)

Sold in Quantity:

Each

GTIN Code:

036584147268

$19.95

/each

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Modified Engine Parts

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Products

Open 4 Barrel Carburetor Base Gasket

Powermaster 9000-14 PowerMAX Plus Starter, Bert/Brinn, Natural

Longacre® 52-21730 Hot Lap GPS Triggered In-Car Timer

Outerwears Valve Cover Breather Pre-Filter

Plastic Open Carburetor Spacer, 1 Inch

Related Articles

Speedway Motors Aluminum Round Breather

Straight Socketless Push-On Hose End, -10 AN

MSD 8672 RPM Module Rev Limiter Selector Switch, 6000-8200 RPM

COMP Cams K20-222-3 Xtreme Energy Hydraulic Camshaft Kit,Mopar 273/360

Speedway Harmonic Balancer Dampener Puller/Install Tool Set

Gates 32922 Power Grip Hose Clamp, 13/16 Inch - 15/16 Inch OD

1980-1988 Small Block Chevy Chrome Dipsticks

Edelbrock 2116 Performer Vortec Small Block Chevy Intake

Proform 67569 Oil Pump Primer Tool, GM LS

Valve Cover Breather Filter - 1 3/8 Inches

Small Block Chevy High Rise Intake & Sniper 2 EFI Conversion Kit

Speedway Mechanical Oil Pressure Gauge, 2-1/16 Inch, White

Ideal Heavy Duty T-Bolt Clamp, 1-3/4 Inch Minimum Clamping Diameter

Power Steering Fitting, AN6 to 5/8-18 O-ring

Forged Small Block Chevy Rotating Assembly, 383 Dome, H-Beam, 5.7 Rods

Speedway Motors 14x4 Inch Air Cleaner/Pre-Filter/Breather Kit

Maxima Racing Oils 22932901 RS Full Synthetic, 15W50, 12 Quarts

Gates 32919 Power Grip Hose Clamp, 11/16 Inch - 13/16 Inch OD

Valve Cover Hold Down Clamps

Scott Performance HEI 10mm Spark Plug Wires

ARP 134-2001 Intake Manifold Bolt Kits, Chromoly

MSD 5095 DynaForce Chevy Starter

Stainless T-Bolt Clamp, 3-7/16 Inch Minimum Clamping Diameter

Mobil 1 Extended Performance Full Syn Oil 5W-20, 1 Qt, Case of 6

Replacement HTD Belt, 800mm x 20mm

Aluminum Allen Pipe Plugs, 3/8 Inch NPT

Straight Socketless Push-On Hose End, Nickel, -10 AN

Holley 0-4412CT Circle Track 500CFM 2BBL Carb w/Adj. Adapter Kit

8MM HTD Drive Belt, 560MM / 22 Inch

Universal Water Pump Shim Kit

COMP Cams 159 Engine Break-In Oil Additive, 12 Ounce