Modified Engine Parts

5,052 products fit your

Modified

5,052 products

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Racing

Application

Oval Track

Race Type

Modified

Products

-49%

Professional Products |

#91015367

Professional Products 81007 S/B Ford Balancer Pulley Spacer, 1 Inch

(14)

Material Type:

Aluminum

Finish:

Natural

$16.49

/each

$32.53

-7%

Earls |

#425AT809006ERL

Earls AT809006ERL 90 Degree -6 AN Female to -6 AN Swivel Low Profile

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$51.95

/each

$56.19

COMP Cams |

#282202203

COMP Cams 20-220-3 Xtreme Energy Hydraulic Camshaft, Mopar S/B

Camshaft Type:

Hydraulic Flat Tappet

RPM Range:

800-4800

Intake Duration (.050" Lift):

206

$297.95

/each

-70%

Speedway Replacement EPR2 O-Rings for -10 AN Fittings, Pack/5

Speedway Motors |

#6173466

Speedway Replacement EPR2 O-Rings for -10 AN Fittings, Pack/5

AN Size:

-10 AN

Material Type:

Rubber

Fitting Size 1:

-10 AN 0.755

$7.49

/bag

$25.42

-7%

Earls |

#425803110ERL

Earls 803110ERL 30 Degree -10 AN Female to -10 AN Hose Adapter

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Hose

$59.89

/each

$64.95

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.

Super Duty Steel Intake Valves, 2.02 Inch, .100 Longer, Set of 8

Speedway Motors |

#9108736

Super Duty Steel Intake Valves, 2.02 Inch, .100 Longer, Set of 8

(1)

Material Type:

Stainless Steel

Groove Count:

$195.99

/kit

Brisk |

#12190951

Brisk USA DR15ZC Multi-Spark 14mm Racing Spark Plug

Thread Pitch:

14 mm

Sold in Quantity:

Each

$14.35

/each

Powermaster |

#2551132

Powermaster 1132 PowerGEN 1/2 Inch V-Belt Alternator Pulley

(1)

Material Type:

Steel

Sold in Quantity:

Each

$60.99

/each

-7%

Mr Gasket |

#5501130G

Mr Gasket 1130G Head Gaskets, Small Block Chevy, 4.10 Inch

(2)

Bore Size:

4.100"

Gasket Material:

Shim steel

$40.26

/each

$43.55

Speedway Motors |

#54562200

Speedway Chevy V8 Oil Pump Primer

(27)

Overall Length:

9.25"

Overall Diameter:

.63"

Material Type:

Steel

$14.99

/each

Speedway Motors |

#550806

Press-In Rocker Arm Stud Pinning Kit

(14)

$13.99

/each

Maxima |

#22934505

Maxima Racing Oils 39-34505 Performance Oil, 10W40, 5 Gallons

(2)

Oil Weight:

10W40

Oil Type:

Conventional

ZDDP Enhanced:

Yes

$159.99

/each

Cloyes Gear |

#28093100

Cloyes Gear 9-3100 Small Block Chevy True Roller Timing Chain

(9)

Sold in Quantity:

Each

Gear Attachment:

3-Bolt

Timing Chain Style:

Double Roller

$127.99

/each

Scat |

#91513756

Scat 935060L 383 Chevy Crankshaft, 1-Piece Main, 6.0 Rod

(3)

Stroke:

3.750"

Main Journal Style:

350 mains

Crankshaft Material:

Cast Steel

$349.99

/each

Sure Seal O-Ring Air Cleaner Spacer, Black

Speedway Motors |

#91011631

Sure Seal O-Ring Air Cleaner Spacer, Black

(1)

Material Type:

Aluminum

Finish:

Black

Sold in Quantity:

Each

$18.49

/each

Lucas Oil |

#484101181

Lucas Oil 10118 High Mileage Oil Stabilizer, 1 Quart

Sold in Quantity:

Each

Volume:

1 quart

$17.99

/each

-69%

Speedway Replacement EPR2 O-Rings for -16 AN Fittings, Pack/5

Speedway Motors |

#6173468

Speedway Replacement EPR2 O-Rings for -16 AN Fittings, Pack/5

AN Size:

-16 AN

Material Type:

Rubber

Fitting Size 1:

-16 AN 1.171

$6.49

/bag

$21.63

Speedway Motors |

#6176204

Aluminum Allen Pipe Plugs, 1/4 Inch NPT

(3)

Fitting Type:

Plug Fitting

Fitting Size 1:

1/4" Male NPT

Fitting Attachment 1:

Male NPT

$6.59

/pair

-19%

Powermaster |

#2558173

Powermaster 8173 Denso Style Race Alternator, 75A, 100mm, Natural

(1)

One Wire Alternator:

Yes

Alternator Amperage:

75 amp

Alternator Finish:

Natural

$237.99

/each

$296.25

-16%

PRW 6535019 Pro Series Alum, Chev 262-400 1987-00, 1.5 X 3/8"

PRW Power |

#57533519

PRW 6535019 Pro Series Alum, Chev 262-400 1987-00, 1.5 X 3/8"

(4)

Rocker Arm Style:

Full Roller

Rocker Arm Ratio:

1.5:1

Stud Size:

0.375"

$370.01

/set

$444.01

-68%

Aeroquip |

#61710171

Aeroquip FBM4433 Black Hose End Coupler Fitting-90 Degree Angle, -8 AN

(1)

Fitting Hose Size:

-8 AN

Fitting End A:

-8 AN Female

Fitting End B:

-8 AN Hose

$35.99

/each

$115.95

Holley |

#42736201

Holley 36-201 Pro Series Alcohol Jet Kit

(1)

Sold in Quantity:

Kit

GTIN Code:

090127335024

$189.95

/each

AC Delco 93440806 602 Crate Engine Distributor w/ Locked Advance

Speedway Motors |

#12193440806

AC Delco 93440806 602 Crate Engine Distributor w/ Locked Advance

Cap Type:

HEI / Male

Advance Type:

Mechanical and Vacuum

$536.99

/each

Performance Tool |

#91089435

Performance Tool W41032 Engine Lift Chain

(13)

GTIN Code:

039564124327

$18.99

/each

$202 Off

Icon Chevy 421 Forged Pistons, Flat Top, 6.0 Rod

Icon Pistons |

#474966

Icon Chevy 421 Forged Pistons, Flat Top, 6.0 Rod

Piston Style:

Flat Top w/ 2 valve reliefs

Piston Material:

Forged Aluminum

Wrist Pin Included:

Yes

$861.50

/set

$1,063.58

-68%

Aeroquip |

#61710101

Aeroquip FBM4423 Black Hose End Coupler Fitting-45 Degree Angle, -8 AN

Fitting Hose Size:

-8 AN

Fitting End A:

-8 AN Female

Fitting End B:

-8 AN Hose

$36.99

/each

$117.58

-8%

Holley |

#425241137

Holley 241-137 Muscle Series Valve Covers, SBC, Polished Finish

(1)

Valve Cover Height:

Stock

Valve Cover Mounting Style:

Perimeter Bolt

Material Type:

Cast Aluminum

$474.95

/each

$518.95

Holley |

#425120145B

Holley 120-145B Flat Base Air Cleaner, 10 Inch, Black

Overall Diameter:

10"

Filter Material:

Cotton Gauze

$64.35

/each

Steel 16" Dominator Air Cleaner Kit W/ Washable Filter

Speedway Motors |

#91003148

Steel 16" Dominator Air Cleaner Kit W/ Washable Filter

Shape:

Round

Overall Diameter:

16"

Filter Material:

Cotton Gauze

$119.99

/kit

Small Block Chevy Oval Track Solid Lifter Cam, 3500-7500 RPM

Speedway Motors |

#91514101

Small Block Chevy Oval Track Solid Lifter Cam, 3500-7500 RPM

(2)

Camshaft Type:

Solid Flat Tappet

RPM Range:

3500-7500

Intake Duration (.050" Lift):

252

$177.99

/each

Speedway Dry Media Air Filter Elements, 14 inch

Speedway Motors |

#91014000

Speedway Dry Media Air Filter Elements, 14 inch

(3)

Air Filter Style:

Round

Filter Material:

Paper

Overall Diameter:

14"

$58.99

/each

Longacre |

#47546903

Longacre 52-46903 Sportsman Elite Oil Temp Gauge, 100-320 F

Gauge Diameter:

2-5/8"

Gauge Style:

Analog

Gauge Face Color:

White

$101.99

/each

-9%

Moroso |

#5457376

Moroso Ultra 40 Small Block Chevy Cust Wires

(5)

Conductor Style:

Spiral Core

Diameter:

8.65"

Cap Terminal Style:

HEI / Male

as low as

$109.99

/each

$121.48

$132 Off

Powermaster |

#2558152

Powermaster 8152 Race Alternator, 180 Amps, 12V

One Wire Alternator:

Yes

Alternator Amperage:

180 amp

Alternator Finish:

Powder Coated

$423.99

/each

$556.25

-44%

Fragola |

#61768408

Fragola 684508-BL Real-Street 45 Degree PTFE Hose End Fitting, -8 AN

Fitting Hose Size:

-8 AN

Fitting End A:

-8 AN Female

Fitting End B:

-8 AN Hose

$28.99

/each

$52.49

Moroso |

#54573233

Moroso 73233 Blue Max Universal Fit Spark Plug Wires, 135 Deg Boots

(1)

Conductor Style:

Spiral Core

Diameter:

$144.99

/set

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Modified Engine Parts

Subcategory

Part

Brand

Transmission Family

Rear Axle Family

Chassis

Engine Family

Sanctioning Body

Availability

Discounts

Price

Customer Rating

Products

Professional Products 81007 S/B Ford Balancer Pulley Spacer, 1 Inch

Earls AT809006ERL 90 Degree -6 AN Female to -6 AN Swivel Low Profile

COMP Cams 20-220-3 Xtreme Energy Hydraulic Camshaft, Mopar S/B

Speedway Replacement EPR2 O-Rings for -10 AN Fittings, Pack/5

Earls 803110ERL 30 Degree -10 AN Female to -10 AN Hose Adapter

Related Articles

Super Duty Steel Intake Valves, 2.02 Inch, .100 Longer, Set of 8

Brisk USA DR15ZC Multi-Spark 14mm Racing Spark Plug

Powermaster 1132 PowerGEN 1/2 Inch V-Belt Alternator Pulley

Mr Gasket 1130G Head Gaskets, Small Block Chevy, 4.10 Inch

Speedway Chevy V8 Oil Pump Primer

Press-In Rocker Arm Stud Pinning Kit

Maxima Racing Oils 39-34505 Performance Oil, 10W40, 5 Gallons

Cloyes Gear 9-3100 Small Block Chevy True Roller Timing Chain

Scat 935060L 383 Chevy Crankshaft, 1-Piece Main, 6.0 Rod

Sure Seal O-Ring Air Cleaner Spacer, Black

Lucas Oil 10118 High Mileage Oil Stabilizer, 1 Quart

Speedway Replacement EPR2 O-Rings for -16 AN Fittings, Pack/5

Aluminum Allen Pipe Plugs, 1/4 Inch NPT

Powermaster 8173 Denso Style Race Alternator, 75A, 100mm, Natural

PRW 6535019 Pro Series Alum, Chev 262-400 1987-00, 1.5 X 3/8"

Aeroquip FBM4433 Black Hose End Coupler Fitting-90 Degree Angle, -8 AN

Holley 36-201 Pro Series Alcohol Jet Kit

AC Delco 93440806 602 Crate Engine Distributor w/ Locked Advance

Performance Tool W41032 Engine Lift Chain

Icon Chevy 421 Forged Pistons, Flat Top, 6.0 Rod

Aeroquip FBM4423 Black Hose End Coupler Fitting-45 Degree Angle, -8 AN

Holley 241-137 Muscle Series Valve Covers, SBC, Polished Finish

Holley 120-145B Flat Base Air Cleaner, 10 Inch, Black

Steel 16" Dominator Air Cleaner Kit W/ Washable Filter

Small Block Chevy Oval Track Solid Lifter Cam, 3500-7500 RPM

Speedway Dry Media Air Filter Elements, 14 inch

Longacre 52-46903 Sportsman Elite Oil Temp Gauge, 100-320 F

Moroso Ultra 40 Small Block Chevy Cust Wires

Powermaster 8152 Race Alternator, 180 Amps, 12V

Fragola 684508-BL Real-Street 45 Degree PTFE Hose End Fitting, -8 AN

Moroso 73233 Blue Max Universal Fit Spark Plug Wires, 135 Deg Boots