Clay Smith Engineering Parts and Accessories

The Mr. Horsepower Since 1931 round metal sign lists some of the very best historic and current racetracks....

5.0 out of 5 stars ( 3 )

Your kids will look good wherever they go with a Mr. Horsepower youth T-shirt! Featured in a large graphic...

5.0 out of 5 stars ( 4 )

Hats, Ball Cap, Mr. Horsepower Logo, Flexfit, Cotton, Gray, Large/X-Large, Each

Part Number: HPC-H30-L-XL

5.0 out of 5 stars ( 2 )

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Hat, Ball Cap, Cotton, Black, Embroidered, Clay Smith Cams Logo, Flexfit, Large/X-Large, Each

Part Number: HPC-H70-L-XL

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Camshaft, Hydraulic Flat Tappet, 264 int./264 exh. Advertised Duration, 0.515 int./0.515 exh. Lift, 110 Lobe Separation, Chevy, Each

Part Number: HPC-02-003

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Camshaft, Hydraulic Flat Tappet, .300int./.300exh. Advertised Duration, .472 int/.472 exh. Lift, 108 Lobe Separation, Small Block Chevy

Part Number: HPC-01-052-LD

5.0 out of 5 stars ( 1 )

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Gear Bag, Clay Smith Cams Mr. Horsepower Travel Bag, Polyester, Black, Each

Part Number: HPC-A300

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Camshaft, Hydraulic Roller, 296 int./300 exh. Advertised Duration, .620 int./.569 exh. Lift, 107 Lobe Separation, Retrofit, Chevy, Big Block, Each

Part Number: HPC-160-3105

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Camshaft, Hydraulic Flat Tappet, 264 int./264 exh. Advertised Duration, 0.456 int./0.456 exh. Lift, 110 Lobe Separation, Ford, Each

Part Number: HPC-07-003

5.0 out of 5 stars ( 1 )

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Clay Smith Cams offers the "Horsepower With Attitude" toddler T-shirt for the kids with an attitude!...

4.6 out of 5 stars ( 10 )

Camshaft, Hydraulic Flat Tappet, 264 int./264 exh. Advertised Duration, 0.454 int./0.454 exh. Lift, 110 Lobe Separation, Chevy, Each

Part Number: HPC-01-003

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow if ordered today

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You have to crawl before you can race (or walk)! Start your tiny speedster out on the road to hotrodding...

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Seat Cover, Sideless, Water Resistant, Mr. Horsepower, Each

Part Number: PLA-008616R01

5.0 out of 5 stars ( 1 )

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Camshaft, Hydraulic Flat Tappet, 256 int./256 exh. Advertised Duration, 0.440 int./0.442 exh. Lift, 108 Lobe Separation, Ford, Each

Part Number: HPC-07-006

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T-Shirt, 90th Anniversary, Short Sleeve, Cotton, Black, Clay Smith Cams Logo Front/Rear, Men's 3X-Large, Each

Part Number: HPC-M90-3X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

The Mr. Horsepower "Support Your Local Speed Shop" tank top features the perfect blend of retro apparel...

4.8 out of 5 stars ( 5 )

Camshaft, Hydraulic Roller Tappet, 280 int./282 exh. Advertised Duration, 0.510 int./0.492 exh. Lift, 108 Lobe Separation, Retro, Chevy, Each

Part Number: HPC-150-3102

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Sign, Mr. Horsepower with Attitude Metal Sign, Rectangular, Aftermarket Performance Brand Genre, Black/Red/White, 20.0 in. Width, 5.0 in. Height, Each

Part Number: HPC-A802

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Hat, Ball Cap, Cotton, Black, Embroidered, Clay Smith Cams Logo, Flexfit, Small/Medium, Each

Part Number: HPC-H70-S-M

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Who says wrenching and racing are boys-only? Not Lil Ms. Horsepower, that's for sure! Make sure your...

3.4 out of 5 stars ( 5 )

Clay Smith Service Station Jacket - Black LG

Part Number: HPC-MJ12-LG

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Estimated Ship Date: Mar 24, 2026 if ordered today

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Camshaft, Hydraulic Flat Tappet, 274 int./274 exh. Advertised Duration, 0.484 int./0.484 exh. Lift, 108 Lobe Separation, Chevy, Each

Part Number: HPC-02-012

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Camshaft, Hydraulic Flat Tappet, 274 int./274 exh. Advertised Duration, 0.485 int./0.485 exh. Lift, 110 Lobe Separation, Chevy, Each

Part Number: HPC-02-013

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Camshaft, Hydraulic Roller Tappet, 283 int./286 exh. Advertised Duration, 0.585 int./0.585 exh. Lift, 112 Lobe Separation, Chevy, Each

Part Number: HPC-150-6100

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Camshaft, Hydraulic Roller, Stepped Front, 296 int./300 exh. Advertised Duration, .620 int./.569 exh. Lift, 107 Lobe Separation, Chevy, BB, Each

Part Number: HPC-160-3105-S

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