Clay Smith Engineering Parts and Accessories

Support your local speed shop! This comfy cotton/poly pullover hoodie from Clay Smith Cams features a...

4.43 out of 5 stars ( 7 )

The Genuine Clay Smith Cams work shirt is the perfect blend of retro apparel and Mr. Horsepower's vintage...

4.5 out of 5 stars ( 8 )

Mr. Horsepower laser-cut metal signs give any space a big performance boost! The official mascot signage...

5.0 out of 5 stars ( 10 )

Sign, Clay Smith Cams Hot Rod, Metal, Laser Cut, 24.00 in. Width, 15.00 in. Height, Each

Part Number: HPC-A811

5.0 out of 5 stars ( 1 )

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

Part Number: HPC-A300

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Estimated Ship Date: Today

Extend the hot-rodding season with this Mr. Horsepower crossed flag hoodie! The poly/cotton blend hooded...

4.83 out of 5 stars ( 6 )

95th Anniversary Hooded Sweatshirt - Black XL

Part Number: HPC-MS92-XL

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Estimated Ship Date: Feb 9, 2026 if ordered today

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The Mr. Horsepower Resort shirt blends a retro design with the iconic cartoon mascot of legendary hot...

5.0 out of 5 stars ( 1 )

Valve Springs, Single, 1.26 in. Outside Diameter, 405lbs/in. Rate, 1.104 in. Coil Bind Height, Set of 16

Part Number: HPC-SPR-STR-16

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Steel Retainer 11/32 X 1.250" 7 Degree *16 pc

Part Number: HPC-8600-16

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Spring Cups, 1.315 OD x 1.245 ID x .515 Guide ID x .220 Wall Height x .055 Thick, Set of 16

Part Number: HPC-8801-16

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Valve Spring Retainers, Chromoly Steel, 7 Degree, 1.250 in. O.D., .680 in. I.D., Set of 12

Part Number: HPC-8617-12

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Valve Springs, Single, 1.25 in. Outside Diameter, 404lbs/in. Rate, 1.111 in. Coil Bind Height, Set of 16

Part Number: HPC-SPR-SS-16

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Timing Chain Set (170/200ci)

Part Number: HPC-CSC-200-TCS

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Valve Springs, Dual, 1.246 in. Outside Diameter, 264lbs/in. Rate, .904 in. Coil Bind Height, Set of 12

Part Number: HPC-SPR-TOY-12

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Valve Springs, Single, 1.260 in. O.D., 431 lbs./in. Rate, 1.126 in. Coil Bind Height, Set of 16

Part Number: HPC-SPR-SST-16

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Estimated Ship Date: Feb 2, 2026 if ordered today

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95th Anniversary Hooded Sweatshirt - Black 3X

Part Number: HPC-MS92-3X

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Estimated Ship Date: Feb 9, 2026 if ordered today

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95th Anniversary Hooded Sweatshirt - Black 4X

Part Number: HPC-MS92-4X

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Estimated Ship Date: Feb 9, 2026 if ordered today

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95th Anniversary Hooded Sweatshirt - Black LG

Part Number: HPC-MS92-LG

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Estimated Ship Date: Feb 9, 2026 if ordered today

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95th Anniversary Hooded Sweatshirt - Black MD

Part Number: HPC-MS92-MD

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Estimated Ship Date: Feb 9, 2026 if ordered today

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95th Anniversary Hooded Sweatshirt - Black SM

Part Number: HPC-MS92-SM

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Estimated Ship Date: Feb 9, 2026 if ordered today

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95th Anniversary Hooded Sweatshirt - Black XX

Part Number: HPC-MS92-XX

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Valve Springs, Single, 1.525 in. Outside Diameter, 519lbs/in. Rate, 1.115 in. Coil Bind Height, Set of 16

Part Number: HPC-SPR-BS-16

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Valve Springs, Single, 1.460 in. Outside Diameter, 303lbs/in. Rate, 1.088 in. Coil Bind Height, Set of 16

Part Number: HPC-SPR-S-16

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Estimated Ship Date: Feb 9, 2026 if ordered today

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10 Degree 11/32 Machine Valve Locks

Part Number: HPC-8708-16

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Estimated Ship Date: Feb 6, 2026 if ordered today

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