Modified Engine Parts

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Modified

5,034 products

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Application

Oval Track

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Clevite |

#757M338

Clevite M338 P-Series 1969-Up Small Block Chevy Main Bearings

(21)

$65.99

/set

Lucas Oil |

#484106401

Lucas 10640 Super Coolant Additive

(5)

$15.49

/each

14 Inch x 5 Inch Tall Air Cleaner Outerwear

Outerwears |

#564445

14 Inch x 5 Inch Tall Air Cleaner Outerwear

(14)

$24.10

/each

Fel-Pro |

#3441010

Fel-Pro P1010 S/B Chevy 265-400 Copper Ring Head Gasket 4.166 In. Bore

(14)

Sold in Quantity:

Each

GTIN Code:

084113010101

$61.99

/each

Stainless T-Bolt Clamp, 1-5/8 Inch Minimum Clamping Diameter

Speedway Motors |

#910553321

Stainless T-Bolt Clamp, 1-5/8 Inch Minimum Clamping Diameter

(10)

Style:

T-Bolt

Material Type:

Stainless Steel

Color:

Natural

$5.99

/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 |

#91003780

Valve Cover Studs, Set of 8

(27)

Overall Length:

1.50"

Thread Pitch:

1/4"-20

Material Type:

Steel

$16.99

/set

Speedway Small Block Chevy Tall Steel Valve Covers

Speedway Motors |

#91017105

Speedway Small Block Chevy Tall Steel Valve Covers

(20)

Valve Cover Mounting Style:

Perimeter Bolt

Material Type:

Steel

$24.99

/pair

Chrome Deep Dish Air Cleaner, 14 x 5 Inch

Speedway Motors |

#2401188

Chrome Deep Dish Air Cleaner, 14 x 5 Inch

(3)

Shape:

Round

Overall Diameter:

14"

$43.99

/each

Bills Hot Rod Co. 100 Series GM Alternator Brackets, Short Pump

Bills Hot Rod Co |

#91667917

Bills Hot Rod Co. 100 Series GM Alternator Brackets, Short Pump

(46)

Mounting Side:

Driver Side

Material Type:

Mild Steel

Water Pump Style:

Short

as low as

$92.99

/each

-18%

KB Chevy 350 Hypereutectic Pistons, Flat Top, 5.7 Rod

Keith Black |

#474120

KB Chevy 350 Hypereutectic Pistons, Flat Top, 5.7 Rod

(3)

Piston Style:

Flat Top w/ 2 valve reliefs

Piston Material:

Hypereutectic Aluminum

Wrist Pin Included:

Yes

$417.60

/set

$515.55

MSD 8252 Blaster HVC Coil, Works With MSD 6 Series Units

MSD |

#5478252

MSD 8252 Blaster HVC Coil, Works With MSD 6 Series Units

(4)

Maximum Voltage:

42,000 volts

$219.95

/each

Speedway Plastic Carburetor Top Hat Dust Cap Covers

Speedway Motors |

#916810

Speedway Plastic Carburetor Top Hat Dust Cap Covers

(21)

Inside Diameter:

5.00"

Material Type:

Plastic

Overall Height:

2.30"

$12.99

/each

Speedway Moly Piston Rings, 4.00 Bore, Style A

Speedway Motors |

#9152510

Speedway Moly Piston Rings, 4.00 Bore, Style A

(15)

Piston Ring Style:

Piston Ring Design:

Conventional

Sold in Quantity:

Set

as low as

$79.99

/set

-30%

Speedway Motors |

#910154

Gilmer Drive Belts

(9)

Belt Type:

Gilmer

Material Type:

Rubber

Sold in Quantity:

Each

$15.29

/each

$21.99

Speedway Super Flow 14 Inch Air Filter Top, Chrome

Speedway Motors |

#91011081

Speedway Super Flow 14 Inch Air Filter Top, Chrome

(18)

Overall Diameter:

14"

Shape:

Round

Housing Finish:

Chrome

$52.99

/each

$164 Off

Powermaster |

#91068120

Powermaster 8-801 SB Chevy 50 Amp Mini Alternator Kit w/Serp-Belt

(7)

One Wire Alternator:

Yes

Alternator Amperage:

53 amp

Alternator Finish:

Powder Coated

$363.99

/each

$527.50

AutoMeter |

#1824223

AutoMeter 4223 Ultra-Nite Mechanical Oil Press. Gauge, 2-5/8

(1)

Gauge Diameter:

2-5/8"

Gauge Series:

Analog

Gauge Style:

Mechanical

$117.99

/each

Gates |

#39532929

Gates 32929 Power Grip Hose Clamp, 1-1/16 Inch - 1-3/16 Inch OD

(1)

Style:

Heat-Shrink

Material Type:

Thermoplastic

Color:

Black

$10.49

/each

Fel-Pro |

#3442802

Fel-Pro 2802 Small Block Chevy Performance Gasket Set

(7)

Material Type:

Steel

Bore Size:

4.166"

$169.99

/set

Speedway Motors |

#9101747

LS Engine Swap Conversion Low Profile Oil Pan, Chrome, 10 AN

(2)

Sump Style:

Wet Sump

Sump Location:

Rear

$212.99

/each

Gates |

#39532925

Gates 32925 Power Grip Hose Clamp, 15/16 Inch - 1 1/16 Inch OD

(7)

Style:

Heat-Shrink

Material Type:

Thermoplastic

Color:

Black

$10.49

/each

Premium Small Block Chevy Rotating Assembly, 400 Flat Top, 6 Inch Rods

Speedway Motors |

#91510290

Premium Small Block Chevy Rotating Assembly, 400 Flat Top, 6 Inch Rods

(1)

Connecting Rod Type:

H-Beam

Piston Style:

Flat Top

Piston Material:

Hypereutectic Aluminum

$1,732.99

/kit

Small Block Chevy Intake Gasket Set, Pro Heads

Speedway Motors |

#91010219

Small Block Chevy Intake Gasket Set, Pro Heads

(2)

Sold in Quantity:

Pair

Water Crossover Style:

Blocked

$18.49

/pair

Bills Hot Rod Co |

#91667918

Bills Hot Rod Co. 100 Series Sanden 508 A/C Compressor Brackets

(15)

Fits A/C Compressor Style:

Sanden SD

Water Pump Style:

Short

Mounting Side:

Passenger Side

as low as

$106.99

/each

High Volume Adjustable Small Block Chevy SBC Oil Pump, 5/8 Pickup

Speedway Motors |

#577OP55HVD

High Volume Adjustable Small Block Chevy SBC Oil Pump, 5/8 Pickup

(5)

Oil Pump Volume:

High Volume

Oil Pump Pressure:

High Pressure

Material Type:

Steel

$77.99

/each

Chevy V8 Chrome Mini Starter, High Torque, SBC, BBC, 1.4 kW

Speedway Motors |

#91067439

Chevy V8 Chrome Mini Starter, High Torque, SBC, BBC, 1.4 kW

(5)

Starter Size:

Mini

Flywheel/Flexplate Tooth Count:

153-tooth/168-tooth

Mount Type:

Inline

$275.99

/each

King CR 807XPNSTDX XP SBC Narrowed Rod Bearings

King Bearings |

#910807XP

King CR 807XPNSTDX XP SBC Narrowed Rod Bearings

(7)

$93.99

/set

Speedway SBF Small Block Ford 351W HEI Distributor

Speedway Motors |

#91012360

Speedway SBF Small Block Ford 351W HEI Distributor

(18)

Cap Type:

HEI / Male

Advance Type:

Mechanical and Vacuum

$151.99

/each

Ideal Heavy Duty T-Bolt Clamp, 3-1/2 Inch Minimum Clamping Diameter

Ideal Clamps |

#917350

Ideal Heavy Duty T-Bolt Clamp, 3-1/2 Inch Minimum Clamping Diameter

Style:

T-Bolt

Material Type:

Steel

Color:

Natural

$11.49

/each

COMP Cams |

#282SK122543

COMP Cams SK12-254-3 Xtreme Energy Hydraulic Camshaft Kit, Chevy S/B

Camshaft Type:

Hydraulic Flat Tappet

Intake Duration (.050" Lift):

250

Exhaust Duration (.050" Lift):

256

$446.95

/each

Speedway Motors |

#7201027

Oil Filter Adapter without Bypass

(13)

Material Type:

Aluminum

Sold in Quantity:

Each

$18.49

/each

COMP Cams |

#28217001

COMP Cams 17001-16 SBC High Energy Aluminum Rocker Arms-1.5:1-3/8 Stud

(2)

Rocker Arm Ratio:

1.5:1

Stud Diameter:

0.38"

GTIN Code:

036584215929

$313.95

/set

Speedway GM LS Header Kit, 1-3/4 Round Port, 3 Inch Collector

Speedway Motors |

#41869510

Speedway GM LS Header Kit, 1-3/4 Round Port, 3 Inch Collector

(9)

Header Tube Type:

Roadster

Exhaust Port Shape:

Round

Flange Style:

Standard

$297.99

/each

AFCO |

#10680652

AFCO 80652 Chevy Engine Mounts, Rear

(5)

Attachment Style:

Bolt-on

Mount Material:

Steel

$40.99

/pair

Scat |

#91515500

Scat 435010 Chevy 350 Crankshaft, 3.48 Stroke, 350 Main

(2)

Stroke:

3.480"

Main Journal Style:

350 mains

Crankshaft Material:

Forged 4340 Steel

$893.99

/each

Speedway Chevy Tall Valve Covers w/ Breather Tubes, Black Steel

Speedway Motors |

#91017154

Speedway Chevy Tall Valve Covers w/ Breather Tubes, Black Steel

(10)

Valve Cover Mounting Style:

Perimeter Bolt

Material Type:

Steel

Finish:

Painted

$40.99

/pair

Showing 1 - 144 of 5,034 results

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Modified Engine Parts

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Part

Brand

Transmission Family

Rear Axle Family

Chassis

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Sanctioning Body

Availability

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Price

Customer Rating

Products

Clevite M338 P-Series 1969-Up Small Block Chevy Main Bearings

Lucas 10640 Super Coolant Additive

14 Inch x 5 Inch Tall Air Cleaner Outerwear

Fel-Pro P1010 S/B Chevy 265-400 Copper Ring Head Gasket 4.166 In. Bore

Stainless T-Bolt Clamp, 1-5/8 Inch Minimum Clamping Diameter

Related Articles

Valve Cover Studs, Set of 8

Speedway Small Block Chevy Tall Steel Valve Covers

Chrome Deep Dish Air Cleaner, 14 x 5 Inch

Bills Hot Rod Co. 100 Series GM Alternator Brackets, Short Pump

KB Chevy 350 Hypereutectic Pistons, Flat Top, 5.7 Rod

MSD 8252 Blaster HVC Coil, Works With MSD 6 Series Units

Speedway Plastic Carburetor Top Hat Dust Cap Covers

Speedway Moly Piston Rings, 4.00 Bore, Style A

Gilmer Drive Belts

Speedway Super Flow 14 Inch Air Filter Top, Chrome

Powermaster 8-801 SB Chevy 50 Amp Mini Alternator Kit w/Serp-Belt

AutoMeter 4223 Ultra-Nite Mechanical Oil Press. Gauge, 2-5/8

Gates 32929 Power Grip Hose Clamp, 1-1/16 Inch - 1-3/16 Inch OD

Fel-Pro 2802 Small Block Chevy Performance Gasket Set

LS Engine Swap Conversion Low Profile Oil Pan, Chrome, 10 AN

Gates 32925 Power Grip Hose Clamp, 15/16 Inch - 1 1/16 Inch OD

Premium Small Block Chevy Rotating Assembly, 400 Flat Top, 6 Inch Rods

Small Block Chevy Intake Gasket Set, Pro Heads

Bills Hot Rod Co. 100 Series Sanden 508 A/C Compressor Brackets

High Volume Adjustable Small Block Chevy SBC Oil Pump, 5/8 Pickup

Chevy V8 Chrome Mini Starter, High Torque, SBC, BBC, 1.4 kW

King CR 807XPNSTDX XP SBC Narrowed Rod Bearings

Speedway SBF Small Block Ford 351W HEI Distributor

Ideal Heavy Duty T-Bolt Clamp, 3-1/2 Inch Minimum Clamping Diameter

COMP Cams SK12-254-3 Xtreme Energy Hydraulic Camshaft Kit, Chevy S/B

Oil Filter Adapter without Bypass

COMP Cams 17001-16 SBC High Energy Aluminum Rocker Arms-1.5:1-3/8 Stud

Speedway GM LS Header Kit, 1-3/4 Round Port, 3 Inch Collector

AFCO 80652 Chevy Engine Mounts, Rear

Scat 435010 Chevy 350 Crankshaft, 3.48 Stroke, 350 Main

Speedway Chevy Tall Valve Covers w/ Breather Tubes, Black Steel