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Speedway Motors has high performance street rod engine parts at everyday low prices! Whether you’re building a small-block Chevy or Ford, a vintage Ford Flathead, Chrysler Hemi, Buick Nailhead, Cadillac, Ford Y-Block, Chevy inline six or Oldsmobile Rocket, Speedway has you covered with thousands of hot rod engine parts – in stock and ready to ship. Complete crate engines and stroker engine kits are available at great prices! We also have a large selection of aluminum or iron cylinder heads, roller rocker arms, rotating assemblies, lift spring kits, Fel-Pro Gaskets, crankshafts, and valve covers, so make Speedway your first stop when shopping for performance hot rod engine parts!

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Universal Fit, 1/4"-20 Thread Pitch

On Sale

Thread Pitch: 1/4"-20

Quick View

Universal Fit, .683" Overall Thickness, Rubber

Overall Thickness: .683"

Inside Diameter: .735"

Outside Diameter: 1.406"

Hole Diameter: 1.235"

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Universal Fit, 1/4"-20 Thread Pitch, 6" Thread Length

Thread Pitch: 1/4"-20

Thread Length: 6"

Material Type: Steel

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Universal Fit, 1/4"-20 Thread Pitch

Thread Pitch: 1/4"-20

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Universal Fit, 2.375" Overall Width, Chrome

Overall Width: 2.375"

Overall Diameter: 0.375"

Overall Length: 5.208"

Thread Length: .900"

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Chevy Small Block V8, 3.62" Overall Length, Steel

Overall Length: 3.62"

Under Head Length: 3.33"

Thread Length: .70"

Thread Pitch: 1/4"-20

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Universal Fit, Unisex Gender, Adult Age Group, Blue

On Sale

Gender: Unisex

Age Group: Adult

Color: Blue

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Universal Fit, Heat-Shrink Style, Thermoplastic, Black

On Sale

Style: Heat-Shrink

Material Type: Thermoplastic

Color: Black

Finish: Natural

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Universal Fit, Heat-Shrink Style, Thermoplastic, Black

On Sale

Style: Heat-Shrink

Material Type: Thermoplastic

Color: Black

Finish: Natural

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Universal Fit, Heat-Shrink Style, Thermoplastic, Black

On Sale

Style: Heat-Shrink

Material Type: Thermoplastic

Color: Black

Finish: Natural

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Universal Fit, Heat-Shrink Style, Thermoplastic, Black

On Sale

Style: Heat-Shrink

Material Type: Thermoplastic

Color: Black

Finish: Natural

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Universal Fit, Gasket Spark Plug Seat Style

Spark Plug Seat Style: Gasket

Spark Plug Reach: 0.5"

Thread Pitch: 18mm

Insulator Type: Non-projected

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Universal Fit, Aluminum, Anodized Black

Material Type: Aluminum

Finish: Anodized Black

Fitting End A: 1/4" NPT Male

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Universal Fit, Aluminum, Anodized Black

Material Type: Aluminum

Finish: Anodized Black

Fitting End A: 3/8" NPT Male

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Universal Fit, Worm Gear Style, Stainless Steel

Style: Worm Gear

Material Type: Stainless Steel

Color: Natural

Finish: Natural

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Universal Fit, Aluminum, Anodized, Silver

On Sale

Material Type: Aluminum

Finish: Anodized

Fitting End A: 1/2" NPT Male

Color: Silver

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Universal Fit, Worm Gear Style, Stainless Steel

Style: Worm Gear

Material Type: Stainless Steel

Color: Natural

Finish: Natural

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Universal Fit, Worm Gear Style, Stainless Steel

Style: Worm Gear

Material Type: Stainless Steel

Color: Natural

Finish: Natural

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Universal Fit, 2-Barrel 3-Bolt Carburetor Flange Type

Carburetor Flange Type: 2-Barrel 3-Bolt

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Universal Fit, -4 AN, 1/8" NPT NPT Size, Straight Angle

AN Size: -4 AN

NPT Size: 1/8" NPT

Angle: Straight

Fitting End A: -4 AN Male

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Universal Fit, 3/8" Hose barb Fitting End A, -6 AN

Fitting End A: 3/8" Hose barb

Fitting End B: 1/4" NPT Male

Angle: Straight

AN Size: -6 AN

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Gasket Material: High Density Polyethylene

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Universal Fit, Worm Gear Style, Stainless Steel

Style: Worm Gear

Material Type: Stainless Steel

Color: Natural

Finish: Natural

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Universal Fit, Worm Gear Style, Stainless Steel

Style: Worm Gear

Material Type: Stainless Steel

Color: Natural

Finish: Natural

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Universal Fit, -4 AN Fitting Size 1, -4 AN

Fitting Size 1: -4 AN

AN Size: -4 AN

Inside Diameter: 0.4375"

Gasket Material: Aluminum & Synthetic Rubber

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Universal Fit, Worm Gear | Housing Style, Aluminum

On Sale

Style: Worm Gear | Housing

Material Type: Aluminum

Color: Blue

Finish: Anodized

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Universal Fit, -6 AN, 1/2" NPT NPT Size, Straight Angle

AN Size: -6 AN

NPT Size: 1/2" NPT

Angle: Straight

Fitting End A: -6 AN Male

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Universal Fit, Worm Gear | Housing Style, Aluminum

Style: Worm Gear | Housing

Material Type: Aluminum

Color: Blue

Finish: Anodized

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Universal Fit, Worm Gear | Housing Style, Aluminum, Red

Style: Worm Gear | Housing

Material Type: Aluminum

Color: Red

Finish: Anodized

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Universal Fit, Aluminum, Anodized, Silver

On Sale

Material Type: Aluminum

Finish: Anodized

Fitting End A: 3/4" NPT Male

Color: Silver

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Universal Fit, -8 AN, -8 AN Male o-ring Fitting End A

AN Size: -8 AN

Fitting End A: -8 AN Male o-ring

Thread Pitch: 3/4"-16

Finish: Anodized

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Universal Fit, -3 AN Male Fitting End A, Straight Angle

On Sale
Video Available

Fitting End A: -3 AN Male

Fitting End B: -3 AN Male

Angle: Straight

Material Type: Steel

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Universal Fit, 2.00" Overall Length, .31" Diameter

Overall Length: 2.00"

Diameter: .31"

Thread Pitch: 5/16"-18

Thread Length: 1.25"

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Universal Fit, 2-Barrel Carburetor Barrels

Carburetor Barrels: 2-Barrel

Carburetor Flange Type: 2-Barrel 4-Bolt

Overall Thickness: .06"

Bolt Hole Pattern: 5.125" x 3.500"

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Universal Fit, -4 AN Male Fitting End A, Straight Angle

Fitting End A: -4 AN Male

Fitting End B: -4 AN Male

Angle: Straight

Material Type: Steel

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Chevy Small Block V8, .801" Overall Length, Aluminum

Overall Length: .801"

Material Type: Aluminum

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Universal Fit, 1/4"-20 Thread Pitch, 9" Thread Length

Thread Pitch: 1/4"-20

Thread Length: 9"

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Universal Fit, 4.9375" Overall Height

Overall Height: 4.9375"

Overall Width: 2.00"

Overall Diameter: 0.50"

Stud Length: 1.375"

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Universal Fit, 1/4"-20 Thread Pitch, Stainless Steel

On Sale

Thread Pitch: 1/4"-20

Material Type: Stainless Steel

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Gasket Spark Plug Seat Style, 0.75" Spark Plug Reach

Spark Plug Seat Style: Gasket

Spark Plug Reach: 0.75"

Thread Pitch: 14mm

Thread Length: 0.75"

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Gasket Spark Plug Seat Style, Gasket Seat Taper

Spark Plug Seat Style: Gasket

Seat Taper: Gasket

Spark Plug Reach: 0.437"

Thread Pitch: 14mm

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Flat Spark Plug Seat Style, Gasket Seat Taper, Resistor

Spark Plug Seat Style: Flat

Seat Taper: Gasket

Spark Plug Reach: 0.75"

Thread Pitch: 14mm

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Gasket Spark Plug Seat Style, Gasket Seat Taper

Spark Plug Seat Style: Gasket

Seat Taper: Gasket

Spark Plug Reach: 0.4375"

Thread Pitch: 14mm

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Universal Fit, -6 AN Male Fitting End A, Anodized

Fitting End A: -6 AN Male

Fitting End B: 1/8"

Material Type: Aluminum

Finish: Anodized

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Universal Fit, -8 AN Fitting Size 1, -8 AN

Fitting Size 1: -8 AN

AN Size: -8 AN

Inside Diameter: 0.75"

Gasket Material: Aluminum & Synthetic Rubber

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Universal Fit, 9.625" Overall Length

Overall Length: 9.625"

Overall Width: 0.875"

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Universal Fit, 3/8" Hose barb Fitting End A, -6 AN

Fitting End A: 3/8" Hose barb

Fitting End B: 1/4" NPT Male

Angle: Straight

AN Size: -6 AN

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Universal Fit, Heat-Shrink Style, Thermoplastic, Black

Style: Heat-Shrink

Material Type: Thermoplastic

Color: Black

Finish: Natural

Quick View

Universal Fit, Heat-Shrink Style, Thermoplastic, Black

On Sale

Style: Heat-Shrink

Material Type: Thermoplastic

Color: Black

Finish: Natural

Quick View

Universal Fit, Heat-Shrink Style, Thermoplastic, Black

On Sale

Style: Heat-Shrink

Material Type: Thermoplastic

Color: Black

Finish: Natural

Quick View

Universal Fit, 2.00" Overall Length, Steel, Zinc Plated

Garage Sale
Clearance

Overall Length: 2.00"

Thread Pitch: 5/16"-18

Thread Pitch (2): 5/16"-24

Material Type: Steel

Quick View

Universal Fit, Aluminum, Anodized, Blue

Material Type: Aluminum

Finish: Anodized

Fitting End A: 1/2" NPT Male

Color: Blue

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Universal Fit, -6 AN, 1/8" NPT NPT Size, Straight Angle

AN Size: -6 AN

NPT Size: 1/8" NPT

Angle: Straight

Fitting End A: -6 AN Male

Quick View

Universal Fit, Straight Angle, Aluminum, Anodized, Blue

Angle: Straight

Fitting End A: 1/8" NPT Male

Fitting End B: 1/8" NPT Male

Material Type: Aluminum

Quick View

Universal Fit, -3 AN Fitting Size 1, -3 AN

Fitting Size 1: -3 AN

AN Size: -3 AN

Inside Diameter: 0.375"

Gasket Material: Aluminum & Synthetic Rubber

Quick View

Universal Fit, 1.25" Valve Cover Hole Size

On Sale

Valve Cover Hole Size: 1.25"

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Universal Fit

Adapter AN Size: -4 AN Male

Material Type: 303 Stainless Steel

Finish: Natural

Jet Drill Size: .030"

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Universal Fit, 2-Barrel Carburetor Barrels

Carburetor Barrels: 2-Barrel

Carburetor Flange Type: Holley 2300

Gasket Material: Nitrile rubber composite

Overall Thickness: 0.063"

Quick View

221, 260, 289, 302, 351W

Garage Sale
Clearance
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Universal Fit, -8 AN Female Fitting End A, Anodized

Thread Pitch: 3/4"-16

Fitting End A: -8 AN Female

Finish: Anodized

Material Type: Aluminum

Quick View

Universal Fit, Aluminum, Anodized, Silver

On Sale

Material Type: Aluminum

Finish: Anodized

Fitting End A: 3/8" NPT Male

Color: Silver

Quick View

Universal Fit, -3 AN, 1/8" NPT NPT Size, Straight Angle

AN Size: -3 AN

NPT Size: 1/8" NPT

Angle: Straight

Fitting End A: -3 AN Male

Quick View

Universal Fit, 1.375" Overall Length, Steel

Overall Length: 1.375"

Thread Pitch: 5/16"-18

Thread Length: 0.3125"

Thread Pitch (2): 5/16"-24

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Chevy Small Block V8, 3/8"-16 Thread Pitch, Steel

On Sale

Thread Pitch: 3/8"-16

Material Type: Steel

Finish: Zinc Plated

Quick View

Universal Fit, -3 AN, 1/8" NPT NPT Size, Straight Angle

Video Available

AN Size: -3 AN

NPT Size: 1/8" NPT

Angle: Straight

Fitting End A: -3 AN Male

Quick View

Universal Fit, 3.58" Overall Width, Aluminum, Natural

Overall Width: 3.58"

Overall Thickness: 0.09"

Inside Diameter: 1.25"

Bolt Hole Pattern: 3 on 2.75"

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Universal Fit, Hex Wrench Type, 1/2"-20 Thread Pitch

Wrench Type: Hex

Thread Pitch: 1/2"-20

Gasket(s) Included: Yes

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Universal Fit, T-Bolt Style, Stainless Steel, Natural

Style: T-Bolt

Material Type: Stainless Steel

Color: Natural

Finish: Natural

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Universal Fit, -6 AN, Steel

AN Size: -6 AN

Thread Pitch: 9/16"-18

Material Type: Steel

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