Modified Engine Parts

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Modified

4,853 products

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Application

Oval Track

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Modified

Products

Crank Drive Mandrel Bolt, Grade-8, 7/16-20 x 6 Inch

Speedway Motors |

#91315914

Crank Drive Mandrel Bolt, Grade-8, 7/16-20 x 6 Inch

(6)

$6.49

/each

Beyea |

#19660202

Beyea IDM-602-NSMB2 IMCA Dirt Modified 4-1 Header

(1)

Header Tube Type:

4 to 1

Primary Tube Diameter:

1-5/8 to 1-3/4"

Material Type:

Steel

$428.99

/pair

ARP 230-7001 Small Block Chevy Oil Pump Studs

ARP |

#101RPS1

ARP 230-7001 Small Block Chevy Oil Pump Studs

(16)

GTIN Code:

672036008376

$7.19

/each

-7%

Earls |

#425139106ERL

Earls 139106ERL Power Steering Hose End, -6 JIC

(5)

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$38.00

/each

$41.11

COMP Cams |

#28251716

COMP Cams 517-16 Valve Stem Seals, PTFE, .500 Inch, .342 Inch, Set/16

GTIN Code:

036584142911

$25.95

/set

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.

Moroso |

#54562520

Moroso 62520 Mopar Solid Motor Mounts

(3)

Attachment Style:

Bolt-on

Mount Material:

Steel

$49.99

/pair

90 Degree Socketless Push-On Hose End, -6 AN

Speedway Motors |

#6202016

90 Degree Socketless Push-On Hose End, -6 AN

(14)

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$17.99

/each

$116 Off

Keith Black |

#474123

Keith Black KB123.030 .150 Dome 6.0 Rod SBC 383 Hypereutectic Pistons

Piston Style:

Dome

Piston Material:

Hypereutectic Aluminum

Wrist Pin Included:

Yes

$493.46

/set

$609.21

Driven Racing Oil |

#91003207

Driven Racing Oil 03206 XP9 Synthetic 10W40 Motor Oil, 12 Quarts

(4)

Oil Weight:

10W40

Oil Type:

Synthetic

ZDDP Enhanced:

Yes

$299.88

/box

Speedway Small Block Chevy Short Valve Covers w/ Breather Tubes

Speedway Motors |

#91017150

Speedway Small Block Chevy Short Valve Covers w/ Breather Tubes

(12)

Valve Cover Mounting Style:

Perimeter Bolt

Material Type:

Steel

Finish:

Zinc

$32.99

/pair

Mobil 1 |

#324124184

Mobil 1 124184 Fuel Economy Motor Oil, 0W-20, 6 Quarts

Oil Weight:

0W20

Oil Type:

Synthetic

ZDDP Enhanced:

$57.99

/box

Spectre Performance |

#46542353

Spectre 42353 Timing Cover Kit

(8)

GTIN Code:

089601423531

$25.99

/each

Speedway Small Block Chevy Offset Rear Main Seal

Speedway Motors |

#91010232

Speedway Small Block Chevy Offset Rear Main Seal

(2)

$15.49

/each

-7%

MSD 8416 GM HEI Distributor Cap and Rotor

MSD |

#5478416

MSD 8416 GM HEI Distributor Cap and Rotor

(6)

Cap Type:

HEI / Male

Cap Terminal Style:

HEI / Male

Sold in Quantity:

Set

$51.95

/set

$56.19

-7%

Earls |

#425995166ERL

Earls 995166ERL -6 AN Female to -6 AN Male Extender

Fitting End A:

-6 AN Male

Fitting End B:

-6 AN Female

Angle:

Straight

$23.89

/each

$25.84

Melling |

#577OP83HV

Melling M-83HV High Volume 351W Ford Oil Pump

$99.99

/each

#9102686

1957-86 SBC 3x2 Carb/Intake Manifold Kit w/Stainless Lines

(2)

Intake Manifold Type:

Dual Plane

Carburetor Quantity:

Three

Carburetor Barrels:

3 x 2-Barrel

$1,703.99

/kit

14MM/16MM To AN6 ORing Fittings, 82-88 T-Bird Power Rack & Pinion

Speedway Motors |

#6174820

14MM/16MM To AN6 ORing Fittings, 82-88 T-Bird Power Rack & Pinion

(24)

Fitting End A:

Pressure: -6 AN to 14mm O-ring

Fitting End B:

Return: -6 AN to 16mm O-ring

Angle:

Straight

$17.49

/pair

-7%

Earls |

#425759156ERL

Earls 759156ERL Vapor Guard 90 Deg Hose End -6 to 5/16 Inch

(2)

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

5/16" Hose barb

$17.56

/each

$18.99

Small Block Chevy Cast Alum. Short Pump Double Groove Lower Pulley

Speedway Motors |

#91015484

Small Block Chevy Cast Alum. Short Pump Double Groove Lower Pulley

(6)

Material Type:

Aluminum

Sold in Quantity:

Each

$42.99

/each

Russell |

#61766207

Russell 662071 3/4 Inch NPT Endura Finish Plug

(2)

Fitting Type:

Plug Fitting

Fitting Size 1:

3/4" Male NPT

Fitting Attachment 1:

Male NPT

$12.95

/each

ICT BILLET |

#8265516613

ICT Billet 551661-3 SBC Billet 3/8 Inch Valve Cover Spacer

GTIN Code:

656729847220

$120.00

/each

$109 Off

KB Ford 351W Hypereutectic Pistons, Flat Top, 5.956 Rod

Keith Black |

#474151

KB Ford 351W Hypereutectic Pistons, Flat Top, 5.956 Rod

(3)

Piston Style:

Flat Top w/ 2 valve reliefs

Piston Material:

Hypereutectic Aluminum

Wrist Pin Included:

Yes

$464.49

/set

$573.44

Speedway Small Block Chevy Main Cap Studs, Set of 5

Speedway Motors |

#91015090

Speedway Small Block Chevy Main Cap Studs, Set of 5

(8)

Sold in Quantity:

Set

Fastener Style:

Stud

$69.99

/set

Speedway Motors |

#9109841

Speedway Motors Valve Cover Breather/Pre-Filter Kit, 1-3/8 Inch

(1)

Attachment Style:

Clamp-on

Valve Cover Hole Size:

1.375"

$38.99

/kit

Holley |

#427371546

Holley 37-1546 4150HP 4 Barrel Carb Rebuild Fast Kit

(2)

Fuel Type:

Gasoline

Sold in Quantity:

Kit

$94.79

/each

COMP Cams |

#2821605

COMP Cams 1605-16 Ultra Pro Magnum Roller Rocker Arms, Chevy 7/16 -1.6

(2)

Rocker Arm Style:

Roller

Rocker Arm Ratio:

1.6:1

Material Type:

Steel

$523.95

/set

-7%

Earls |

#425AT920506ERL

Earls AT920506ERL 90 Degree, -6 AN Male to -6 AN Female Swivel

Fitting End A:

-6 AN Male

Fitting End B:

-6 AN Female

Angle:

90 degree

$34.82

/each

$37.67

-7%

Earls |

#425AT921103ERL

Earls AT921103ERL 90 Degree -3 AN Male to -3 AN Female Swivel

Fitting End A:

-3 AN Male

Fitting End B:

-3 AN Female

Angle:

90 degree

$46.55

/each

$50.36

K&N 99-0551 Air Filter Oil, Filtercharger, 1 Gallon

K&N |

#465990551

K&N 99-0551 Air Filter Oil, Filtercharger, 1 Gallon

(1)

GTIN Code:

024844019301

Sold in Quantity:

Each

$39.99

/each

D&R Classic |

#92611849

D&R Classic T00006 Exhaust Manifold Bolt/Washer Set, Small Block Chevy

(7)

$35.99

/set

-7%

MSD 8464 Bushing And Spring Set, MSD Distributor

MSD |

#5478464

MSD 8464 Bushing And Spring Set, MSD Distributor

(8)

Sold in Quantity:

Each

GTIN Code:

085132084647

$29.55

/each

$31.96

Nickel Straight to Aluminum Pipe Adapter Fitting -8 AN to 1/2 Inch NPT

Speedway Motors |

#61760490

Nickel Straight to Aluminum Pipe Adapter Fitting -8 AN to 1/2 Inch NPT

(1)

Fitting End A:

-8 AN Male

Fitting End B:

1/2" NPT Male

Angle:

Straight

$11.49

/each

Edelbrock |

#3257564

Edelbrock 7564 RPM Air Gap Intake Manifold, Ford 351C

(1)

Intake Manifold Type:

Dual Plane

Carburetor Flange Type:

4-Barrel Square Bore

RPM Range:

1,500-6,500

$479.95

/each

Speedway Black 14 Inch Flat Air Cleaner Kit, Housing/Air Filter

Speedway Motors |

#91605147

Speedway Black 14 Inch Flat Air Cleaner Kit, Housing/Air Filter

(1)

Shape:

Round

Overall Diameter:

14"

Filter Material:

Synthetic

$264.99

/kit

-10%

MSD 5543 Street-Fire Spark Plug Wires Set, Ford 289-302 Socket

MSD |

#5475543

MSD 5543 Street-Fire Spark Plug Wires Set, Ford 289-302 Socket

(9)

Conductor Style:

Spiral Core

Diameter:

Cap Terminal Style:

Socket / Female

$81.95

/set

$91.95

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Modified Engine Parts

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Price

Customer Rating

Products

Crank Drive Mandrel Bolt, Grade-8, 7/16-20 x 6 Inch

Beyea IDM-602-NSMB2 IMCA Dirt Modified 4-1 Header

ARP 230-7001 Small Block Chevy Oil Pump Studs

Earls 139106ERL Power Steering Hose End, -6 JIC

COMP Cams 517-16 Valve Stem Seals, PTFE, .500 Inch, .342 Inch, Set/16

Related Articles

Moroso 62520 Mopar Solid Motor Mounts

90 Degree Socketless Push-On Hose End, -6 AN

Keith Black KB123.030 .150 Dome 6.0 Rod SBC 383 Hypereutectic Pistons

Driven Racing Oil 03206 XP9 Synthetic 10W40 Motor Oil, 12 Quarts

Speedway Small Block Chevy Short Valve Covers w/ Breather Tubes

Mobil 1 124184 Fuel Economy Motor Oil, 0W-20, 6 Quarts

Spectre 42353 Timing Cover Kit

Speedway Small Block Chevy Offset Rear Main Seal

MSD 8416 GM HEI Distributor Cap and Rotor

Earls 995166ERL -6 AN Female to -6 AN Male Extender

Melling M-83HV High Volume 351W Ford Oil Pump

1957-86 SBC 3x2 Carb/Intake Manifold Kit w/Stainless Lines

14MM/16MM To AN6 ORing Fittings, 82-88 T-Bird Power Rack & Pinion

Earls 759156ERL Vapor Guard 90 Deg Hose End -6 to 5/16 Inch

Small Block Chevy Cast Alum. Short Pump Double Groove Lower Pulley

Russell 662071 3/4 Inch NPT Endura Finish Plug

ICT Billet 551661-3 SBC Billet 3/8 Inch Valve Cover Spacer

KB Ford 351W Hypereutectic Pistons, Flat Top, 5.956 Rod

Speedway Small Block Chevy Main Cap Studs, Set of 5

Speedway Motors Valve Cover Breather/Pre-Filter Kit, 1-3/8 Inch

Holley 37-1546 4150HP 4 Barrel Carb Rebuild Fast Kit

COMP Cams 1605-16 Ultra Pro Magnum Roller Rocker Arms, Chevy 7/16 -1.6

Earls AT920506ERL 90 Degree, -6 AN Male to -6 AN Female Swivel

Earls AT921103ERL 90 Degree -3 AN Male to -3 AN Female Swivel

K&N 99-0551 Air Filter Oil, Filtercharger, 1 Gallon

D&R Classic T00006 Exhaust Manifold Bolt/Washer Set, Small Block Chevy

MSD 8464 Bushing And Spring Set, MSD Distributor

Nickel Straight to Aluminum Pipe Adapter Fitting -8 AN to 1/2 Inch NPT

Edelbrock 7564 RPM Air Gap Intake Manifold, Ford 351C

Speedway Black 14 Inch Flat Air Cleaner Kit, Housing/Air Filter

MSD 5543 Street-Fire Spark Plug Wires Set, Ford 289-302 Socket