International L121 Engine Parts

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International L121

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K&N RU-5122 Performance Air Filters, 8in Tall, Round Tapered

K&N |

#465RU5122

K&N RU-5122 Performance Air Filters, 8in Tall, Round Tapered

Material Type:

Cotton Gauze

Overall Height:

$104.99

/each

K&N RU-5171HBK Performance Air Filters, 8in Tall, Round Tapered

K&N |

#465RU5171HBK

K&N RU-5171HBK Performance Air Filters, 8in Tall, Round Tapered

Material Type:

Non-woven Synthetic

Overall Height:

$94.99

/each

K&N RC-5000 Performance Air Filters, 5.625in Tall, Oval Straight

K&N |

#465RC5000

K&N RC-5000 Performance Air Filters, 5.625in Tall, Oval Straight

Material Type:

Cotton Gauze

Top Finish:

Chrome

$78.99

/each

K&N RX-3800 X-Stream Clamp-On Air Filter, 6.563in Tall, Round Tapered

K&N |

#465RX3800

K&N RX-3800 X-Stream Clamp-On Air Filter, 6.563in Tall, Round Tapered

Material Type:

Cotton Gauze

Shape:

Round Tapered

$94.99

/each

Lokar |

#491XED5013

Lokar XED-5013 Midnight Series Flexible Engine Dipstick, 302 Ford

Color:

Black

Sold in Quantity:

Each

$113.95

/each

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!

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.

Pick a Side: LS Engines

The GM LS engine is the hot powerplant these days. But is there too much of a good thing?

Engine Cylinder Numbers

Chevy L79 327 Engine I History, Specs, & Build Ideas

The 1964 Corvette L79 327 is legendary, learn more about this storied engine and what you need to build a clone.

Corvette L76 327 Engine History, Specs, and Build Ideas

The 1964 Corvette L76 327 is legendary, learn more about this storied engine and what you need to build a clone.

Building up an LT1

In this Tech Tip, John discusses LT1 rotating assembly options for a customer looking to build a solid autoX, drag, and occasional strip powerplant for his Firebird.

Speedway Tech Talk - LS1 Fuel Delivery Kit

Pat talks about one of our LS1 fuel delivery kits.

Lokar |

#491XED5015

Lokar XED-5015 Midnight Series Flexible Engine Dipstick, 5.7L Hemi

Color:

Black

Sold in Quantity:

Each

$113.95

/each

Lokar |

#491XED5020

Lokar XED-5020 Midnight Series 97+ GM LS Car Engine Oil Dipstick

(1)

Color:

Black

Sold in Quantity:

Each

$113.95

/each

Lokar |

#491XED5026

Lokar XED-5026 Midnight Series Flex. Engine Dipstick, Big Block Mopar

Color:

Black

Sold in Quantity:

Each

$113.95

/each

Lokar |

#491XED5000ESB

Lokar XED-5000ESB Midnight Series Engine Dipstick, Small Block Chevy

(1)

Color:

Black

Sold in Quantity:

Each

$50.95

/each

Spectre HPR9606 hpR Air Filter, Red, 5.719in Tall, Tapered Conical

Spectre Performance |

#465HPR9606

Spectre HPR9606 hpR Air Filter, Red, 5.719in Tall, Tapered Conical

Filter Color:

Red

Shape:

Tapered Conical

$33.99

/each

Spectre HPR9881 hpR Air Filter, Red, 10.25in Tall, Tapered Conical

Spectre Performance |

#465HPR9881

Spectre HPR9881 hpR Air Filter, Red, 10.25in Tall, Tapered Conical

Filter Color:

Red

Overall Height:

10.25"

$87.99

/each

Spectre HPR9886 hpR Air Filter, Red, 6.219in Tall, Tapered Conical

Spectre Performance |

#465HPR9886

Spectre HPR9886 hpR Air Filter, Red, 6.219in Tall, Tapered Conical

Filter Color:

Red

Shape:

Tapered Conical

$50.99

/each

K&N E-3322 Lifetime Performance Air Filter, 2.5in Tall, Round

K&N |

#465E3322

K&N E-3322 Lifetime Performance Air Filter, 2.5in Tall, Round

Material Type:

Cotton Gauze

Shape:

Round

$52.99

/each

K&N E-3340 Lifetime Performance Air Filter, 3.25in Tall, Round

K&N |

#465E3340

K&N E-3340 Lifetime Performance Air Filter, 3.25in Tall, Round

(1)

Material Type:

Cotton Gauze

Shape:

Round

$83.99

/each

K&N E-3346 Lifetime Performance Air Filter, 6in Tall, Round

K&N |

#465E3346

K&N E-3346 Lifetime Performance Air Filter, 6in Tall, Round

Material Type:

Cotton Gauze

Shape:

Round

$68.99

/each

K&N E-3504 Lifetime Performance Air Filter, 4in Tall, Oval

K&N |

#465E3504

K&N E-3504 Lifetime Performance Air Filter, 4in Tall, Oval

(2)

Material Type:

Cotton Gauze

Shape:

Oval

$104.99

/each

K&N RF-1031 Air Filter, 6in Tall, Round Tapered

K&N |

#465RF1031

K&N RF-1031 Air Filter, 6in Tall, Round Tapered

Material Type:

Cotton Gauze

Overall Height:

$94.99

/each

K&N RG-1002RD Performance Air Filters, Red, 9.5in Tall, Round Tapered

K&N |

#465RG1002RD

K&N RG-1002RD Performance Air Filters, Red, 9.5in Tall, Round Tapered

Filter Color:

Red

Sold in Quantity:

Each

$68.99

/each

K&N RU-0610 Performance Air Filters, 5in Tall, Round

K&N |

#465RU0610

K&N RU-0610 Performance Air Filters, 5in Tall, Round

Material Type:

Cotton Gauze

Shape:

Round

$78.99

/each

K&N RU-0620 Performance Air Filters, 6in Tall, Round

K&N |

#465RU0620

K&N RU-0620 Performance Air Filters, 6in Tall, Round

Material Type:

Cotton Gauze

Shape:

Round

$57.99

/each

K&N RU-0820 Performance Air Filters, 6in Tall, Round

K&N |

#465RU0820

K&N RU-0820 Performance Air Filters, 6in Tall, Round

Material Type:

Cotton Gauze

Shape:

Round

$57.99

/each

K&N RU-1820 Performance Air Filters, 2.75in Tall, Oval Straight

K&N |

#465RU1820

K&N RU-1820 Performance Air Filters, 2.75in Tall, Oval Straight

Material Type:

Cotton Gauze

Overall Height:

2.75"

$57.99

/each

Lokar |

#491PW1004

Lokar PW-1004 Cloth Covered Spark Plug Wire, Black/Red Tracers

Conductor Style:

Spiral Core

Diameter:

7.8"

Cap Terminal Style:

HEI or Socket

$231.95

/each

Speedway Finned Aluminum Coil Cover, Firewall Mount

Speedway Motors |

#91003036

Speedway Finned Aluminum Coil Cover, Firewall Mount

(5)

Material Type:

Aluminum

Finish:

Polished

$68.99

/each

-7%

Mr Gasket |

#55077C

Mr Gasket 77C Intake Gasket, 6 X 24 Inch

Material Type:

Performance

Material Thickness:

0.0625"

Length:

24"

$21.43

/each

$23.19

Mr Gasket |

#550200104BL

Mr Gasket 200104-BL -4 Straight Push-On Hose Ends, Black

Fitting Hose Size:

-4 AN

Fitting End A:

-4 AN Female

Fitting End B:

-4 AN Hose

$5.08

/each

-7%

Mr Gasket |

#550209010BL

Mr Gasket 209010-BL -10 90 Degree Push-On Hose Ends, Black

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Hose

$28.12

/each

$30.42

Lokar |

#491ED5021

Lokar ED-5021 Flex Eng Dipstick, LS1, Truck, 1999-Up w/Tri Y Header

Finish:

Natural

Sold in Quantity:

Each

$102.95

/each

Lokar |

#491ED5022

Lokar ED-5022 Flexible Engine Oil Dipstick, 5.7/6.1L Hemi, Stainless

Finish:

Natural

Sold in Quantity:

Each

$102.95

/each

Outerwears |

#564258

Outerwears 10-2589 4 Inch Air Cleaner Pre Filter for R2C

(4)

Air Filter Style:

Round

Overall Diameter:

15"

Sold in Quantity:

Each

$24.10

/each

Spyder 14" Drag Race and Pavement, Oval Track Air Filter

Spyder Filters |

#5922400

Spyder 14" Drag Race and Pavement, Oval Track Air Filter

Overall Diameter:

14"

Sold in Quantity:

Each

$66.95

/each

SPYDER 14” High Performance Street Air Filter

Spyder Filters |

#5923400

SPYDER 14” High Performance Street Air Filter

Overall Diameter:

14"

Sold in Quantity:

Each

as low as

$66.95

/each

Spyder 14” Dirt Racing / Off-Road Air Filter

Spyder Filters |

#5921400

Spyder 14” Dirt Racing / Off-Road Air Filter

(4)

Air Filter Style:

Round

Overall Diameter:

14"

Sold in Quantity:

Each

$69.95

/each

Seals-It |

#91011097

Seals-It Dirt Dish Air Cleaner Hold Down and Seal

(3)

Material Type:

Rubber

Sold in Quantity:

Each

Die Stock Included:

$18.95

/each

Speedway Motors |

#91019980

Speedway Motors LS Swap Cast Iron V Band Exhaust Manifold, RH

(1)

Material Type:

Cast Iron

Hardware Included:

Yes

$168.99

/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

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International L121 Engine Parts

Year

Subcategory

Part

Brand

Transmission Family

Availability

Engine Family

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Price

Customer Rating

Products

K&N RU-5122 Performance Air Filters, 8in Tall, Round Tapered

K&N RU-5171HBK Performance Air Filters, 8in Tall, Round Tapered

K&N RC-5000 Performance Air Filters, 5.625in Tall, Oval Straight

K&N RX-3800 X-Stream Clamp-On Air Filter, 6.563in Tall, Round Tapered

Lokar XED-5013 Midnight Series Flexible Engine Dipstick, 302 Ford

Related Articles

Lokar XED-5015 Midnight Series Flexible Engine Dipstick, 5.7L Hemi

Lokar XED-5020 Midnight Series 97+ GM LS Car Engine Oil Dipstick

Lokar XED-5026 Midnight Series Flex. Engine Dipstick, Big Block Mopar

Lokar XED-5000ESB Midnight Series Engine Dipstick, Small Block Chevy

Spectre HPR9606 hpR Air Filter, Red, 5.719in Tall, Tapered Conical

Spectre HPR9881 hpR Air Filter, Red, 10.25in Tall, Tapered Conical

Spectre HPR9886 hpR Air Filter, Red, 6.219in Tall, Tapered Conical

K&N E-3322 Lifetime Performance Air Filter, 2.5in Tall, Round

K&N E-3340 Lifetime Performance Air Filter, 3.25in Tall, Round

K&N E-3346 Lifetime Performance Air Filter, 6in Tall, Round

K&N E-3504 Lifetime Performance Air Filter, 4in Tall, Oval

K&N RF-1031 Air Filter, 6in Tall, Round Tapered

K&N RG-1002RD Performance Air Filters, Red, 9.5in Tall, Round Tapered

K&N RU-0610 Performance Air Filters, 5in Tall, Round

K&N RU-0620 Performance Air Filters, 6in Tall, Round

K&N RU-0820 Performance Air Filters, 6in Tall, Round

K&N RU-1820 Performance Air Filters, 2.75in Tall, Oval Straight

Lokar PW-1004 Cloth Covered Spark Plug Wire, Black/Red Tracers

Speedway Finned Aluminum Coil Cover, Firewall Mount

Mr Gasket 77C Intake Gasket, 6 X 24 Inch

Mr Gasket 200104-BL -4 Straight Push-On Hose Ends, Black

Mr Gasket 209010-BL -10 90 Degree Push-On Hose Ends, Black

Lokar ED-5021 Flex Eng Dipstick, LS1, Truck, 1999-Up w/Tri Y Header

Lokar ED-5022 Flexible Engine Oil Dipstick, 5.7/6.1L Hemi, Stainless

Outerwears 10-2589 4 Inch Air Cleaner Pre Filter for R2C

Spyder 14" Drag Race and Pavement, Oval Track Air Filter

SPYDER 14” High Performance Street Air Filter

Spyder 14” Dirt Racing / Off-Road Air Filter

Seals-It Dirt Dish Air Cleaner Hold Down and Seal

Speedway Motors LS Swap Cast Iron V Band Exhaust Manifold, RH

Sure Seal O-Ring Air Cleaner Spacer, Black