IMCA, Engine Parts

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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

Beyea |

#19642102

Beyea IDM-23S2B2 IMCA Dirt Modified 4-1 Header

Header Tube Type:

4 to 1

Exhaust Port Shape:

Square

Flange Style:

Standard

$494.99

/pair

Kevko |

#9171093

Kevko 1092-NRH SBC IMCA SPEC Engine Oil Pan, Insp. Plug

Sump Style:

Wet Sump

Rear Main Seal Style:

1-piece

$349.99

/each

Speedway 1976-85 Chevy 305 Complete Gasket Set

Speedway Motors |

#91010249

Speedway 1976-85 Chevy 305 Complete Gasket Set

(5)

Sold in Quantity:

Set

Bore Size:

3.736"

$74.99

/each

Beyea |

#19660400

Beyea IDM-604-S1G IMCA Dirt Modified 4-1 Header 604 Single Step 1

(1)

Header Tube Type:

4 to 1

Exhaust Port Shape:

D-port

Flange Style:

Standard

$443.99

/pair

Best Engine Swaps of All Time | HEMI VS LS Engine VS 2JZ

What is the best engine to swap? Discover the top engine swap options, including LS, Hemi, and Cummins, and find the best engine swap for your build.

LT1 Engine Build Combinations | Recipes for 400–700+ HP

Build a high-performance Gen V LT engine with proven power combos and learn about LT upgrades and tuning tips for maximum power

Gen III/IV LS Engine ID Guide

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

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.

5.7 LS1 Engine Upgrades: Build Recipes for 400 HP-700+ HP

While everyone is looking for a 6.0 LS, don’t count out the original 5.7 LS1 engine for your next LS swap performance build

Racing a 602 GM Crate Engine

All you need to know about racing a 602 GM crate engine and the necessary parts to make a race ready engine.

Crate Engine vs Rebuilt: Is Rebuilding an Engine Worth It?

Crate Engine vs Rebuilt: Is Rebuilding an Engine Worth It? Crate engines are often the more affordable option over a purpose-built engine. Some still think a rebuild is cheaper than a crate engine. But is it? That’s what we’re here to find out.

Diesel Oil in Gas Engine-Will It Hurt My Engine?

Is it OK to put Diesel oil in my gas engine? When is diesel oil bad for my car? Do I need to any additives in addition to diesel oil in my gas engine?

Keep Your Sprint Car Engine Running at Peak Performance

One of the most important parts of your racing operation is the engine. This article gives a detailed overview on how to maintain your engine to get the most out of it for as long as possible. Also learn some tips to prolong the life of your engine.

Historic Indy Engines

To celebrate the upcoming 106th running of the Indianaplis 500, here's a look back at a few of the engines that have competed at the Brickyard over the years.

Schoenfeld |

#91711619

Schoenfeld 11619H IMCA Sport Modified Headers

(3)

Header Tube Type:

Chassis

Exhaust Port Shape:

Square

Flange Style:

Standard

$319.95

/pair

Harris Small Block Chevy Adjustable IMCA Long Headers

Schoenfeld |

#91716198H

Harris Small Block Chevy Adjustable IMCA Long Headers

(1)

Header Tube Type:

Chassis

Exhaust Port Shape:

Rectangle

Flange Style:

Standard

$289.95

/set

Speedway Motors |

#617602

Oil Pan Inspection Plugs, Steel

(9)

Thread Pitch:

1" NPT

Thread Type:

RH Male

Material Type:

Steel

$14.99

/each

Schoenfeld |

#917161

Schoenfeld 161 SB Chevy IMCA Headers, 1-5/8 Primary, 3 In Collector

(2)

Header Tube Type:

Chassis

Exhaust Port Shape:

Square

Flange Style:

Standard

$199.95

/set

Schoenfeld |

#9100065

Schoenfeld 1101 SBC IMCA Modified Headers, 1-5/8 Inch w/Kickouts

Header Tube Type:

Chassis

Exhaust Port Shape:

Square

Flange Style:

Standard

$360.99

/kit

Schoenfeld |

#9100063

Schoenfeld 195V-3 IMCA Stock Car Stepped Header w/Kickouts

Header Tube Type:

Chassis

Exhaust Port Shape:

Rectangle

Flange Style:

Standard

$399.99

/kit

Kevko |

#9171087

Kevko IMCA87 IMCA Racing Engine Oil Pan, 602 Crate Hobby Stock

(1)

Sump Style:

Wet Sump

Sold in Quantity:

Each

$239.99

/each

Schoenfeld |

#9171185

Schoenfeld 1185 IMCA Modified 1-5/8 Inch Long-Tube Headers

(2)

Header Tube Type:

Long Tube

Exhaust Port Shape:

Square

Flange Style:

Standard

$319.95

/pair

Schoenfeld |

#917162

Schoenfeld 162 SB Chevy IMCA Headers, 1-3/4 Primary, 3-1/2 Collector

(4)

Header Tube Type:

Chassis

Exhaust Port Shape:

Square

Flange Style:

Standard

$209.95

/pair

Kevko |

#9171092

Kevko IMCA92 Modified GM 604 Crate Engine Oil Pan

Sump Style:

Wet Sump

Rear Main Seal Style:

1-piece

$369.99

/each

Schoenfeld |

#91711551

Schoenfeld 1155LBV3CM-3 Modified 3 Step Header, Long Style

Header Tube Type:

Long Tube

Exhaust Port Shape:

D-port

Flange Style:

Standard

$439.95

/pair

Edelbrock |

#3252915

Edelbrock 2915 Victor Small Block Mopar Intake Manifold

Intake Manifold Type:

Single Plane

Carburetor Flange Type:

4-Barrel Square Bore

RPM Range:

3,500-8,500

$497.95

/each

Longacre |

#47546749

Longacre 52-46749 SMi Elite Waterproof Oil Pressure Gauge

Gauge Diameter:

2-5/8"

Gauge Series:

Analog

Gauge Style:

Electric

$138.99

/each

Schoenfeld |

#9171186V

Schoenfeld 1186V IMCA Modified Long Primary High Velocity Headers

(1)

Header Tube Type:

Long Tube

Exhaust Port Shape:

Square

Flange Style:

Standard

$379.95

/pair

-15%

Longacre |

#47546741

Longacre® 52-46741 SMi Elite Waterproof Oil Pressure Gauge

(1)

Gauge Diameter:

2-5/8"

Gauge Series:

Analog

Gauge Style:

Electric

$186.99

/each

$221.99

Beyea |

#19642101

Beyea IDM-23S2D2 IMCA Dirt Modified 4-1 Header

Header Tube Type:

4 to 1

Primary Tube Diameter:

1-3/4 to 1-7/8"

Material Type:

Steel

$494.99

/pair

Aluminum Oil Pan Inspection Plug, 1 Inch NPT

Speedway Motors |

#617600

Aluminum Oil Pan Inspection Plug, 1 Inch NPT

Thread Pitch:

1" NPT

Material Type:

Aluminum

Finish:

Anodized

$26.99

/kit

Speedway Motors |

#91017411

Bolt and Washer Kit for Claimer Oil Pan

(3)

$10.99

/set

World Products |

#824603

World Products 603 Small Block Ford Steel Guide Plates, 5/16 Inch Rods

(6)

Material Thickness:

.13"

Material Type:

Steel

Finish:

Painted

$20.99

/set

Speedway Motors |

#617700

-12 AN Aluminum Oil Pan Inspection Plug

Fitting End A:

-12 AN o-ring

Fitting Attachment 1:

Male AN O-ring

Material Type:

Aluminum

$26.99

/kit

Total Seal |

#718T3055

Total Seal T3055-035 Chevy 305 TS1 Gapless 2nd Piston Rings, Style E

Piston Ring Style:

Piston Ring Design:

Gapless Second Ring

Sold in Quantity:

Set

$386.92

/set

Small Block Chevy Solid Lifter Tight Lash Cam, 3000-7000 RPM

Speedway Motors |

#91515002

Small Block Chevy Solid Lifter Tight Lash Cam, 3000-7000 RPM

Camshaft Type:

Solid Flat Tappet

RPM Range:

3000 - 7000

Intake Duration (.050" Lift):

248

$170.99

/each

Beyea |

#19660401

Beyea IDM-604-S1B2 IMCA Dirt Modified 4-1 Header

(2)

Header Tube Type:

4 to 1

Exhaust Port Shape:

Square

Flange Style:

Standard

$417.99

/pair

1/4" Offset Air Cleaner Stud for Offset Sureseal Housing

Speedway Motors |

#91011064-3

1/4" Offset Air Cleaner Stud for Offset Sureseal Housing

(3)

Material Type:

Steel

Sold in Quantity:

Each

$8.99

/each

KSE Racing |

#9101026

KSE Racing Products KSD1026 Belt Drive Kit, SBC

(1)

Sold in Quantity:

Kit

$387.00

/each

Schoenfeld |

#9171186

Schoenfeld 1186 IMCA Modified Long Style Headers

(2)

Header Tube Type:

Long Tube

Flange Style:

D Port

Primary Tube Diameter:

1-3/4"

$319.95

/pair

-15%

Beyea |

#19642100

Beyea IDM-23S2G IMCA Dirt Modified 4-1 Header

Garage Sale Type:

Discontinued

Header Tube Type:

4 to 1

Primary Tube Diameter:

1-3/4 to 1-7/8"

$431.79

/pair

$507.99

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IMCA, Engine Parts

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Products

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

Beyea IDM-23S2B2 IMCA Dirt Modified 4-1 Header

Kevko 1092-NRH SBC IMCA SPEC Engine Oil Pan, Insp. Plug

Speedway 1976-85 Chevy 305 Complete Gasket Set

Beyea IDM-604-S1G IMCA Dirt Modified 4-1 Header 604 Single Step 1

Related Articles

Schoenfeld 11619H IMCA Sport Modified Headers

Harris Small Block Chevy Adjustable IMCA Long Headers

Oil Pan Inspection Plugs, Steel

Schoenfeld 161 SB Chevy IMCA Headers, 1-5/8 Primary, 3 In Collector

Schoenfeld 1101 SBC IMCA Modified Headers, 1-5/8 Inch w/Kickouts

Schoenfeld 195V-3 IMCA Stock Car Stepped Header w/Kickouts

Kevko IMCA87 IMCA Racing Engine Oil Pan, 602 Crate Hobby Stock

Schoenfeld 1185 IMCA Modified 1-5/8 Inch Long-Tube Headers

Schoenfeld 162 SB Chevy IMCA Headers, 1-3/4 Primary, 3-1/2 Collector

Kevko IMCA92 Modified GM 604 Crate Engine Oil Pan

Schoenfeld 1155LBV3CM-3 Modified 3 Step Header, Long Style

Edelbrock 2915 Victor Small Block Mopar Intake Manifold

Longacre 52-46749 SMi Elite Waterproof Oil Pressure Gauge

Schoenfeld 1186V IMCA Modified Long Primary High Velocity Headers

Longacre® 52-46741 SMi Elite Waterproof Oil Pressure Gauge

Beyea IDM-23S2D2 IMCA Dirt Modified 4-1 Header

Aluminum Oil Pan Inspection Plug, 1 Inch NPT

Bolt and Washer Kit for Claimer Oil Pan

World Products 603 Small Block Ford Steel Guide Plates, 5/16 Inch Rods

-12 AN Aluminum Oil Pan Inspection Plug

Total Seal T3055-035 Chevy 305 TS1 Gapless 2nd Piston Rings, Style E

Small Block Chevy Solid Lifter Tight Lash Cam, 3000-7000 RPM

Beyea IDM-604-S1B2 IMCA Dirt Modified 4-1 Header

1/4" Offset Air Cleaner Stud for Offset Sureseal Housing

KSE Racing Products KSD1026 Belt Drive Kit, SBC

Schoenfeld 1186 IMCA Modified Long Style Headers

Beyea IDM-23S2G IMCA Dirt Modified 4-1 Header