Clay Smith Engineering Parts and Accessories

Throttle up your wardrobe with this Clay Smith Cams Speed T-shirt! It has a soft cotton/poly blend and...

Not Yet Reviewed

Timing Chain and Gear Set, True Roller, Double Roller, 3 Bolt, Billet Steel Sprockets, Chevy, Big Block, Set

Part Number: HPC-9310-9

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Free Shipping
• Special Order

Valve Springs, Beehive, 1.290 in. O.D., 260 lbs./in. Rate, 1.027 in. Coil Bind Height, Set of 16

Part Number: HPC-SPR-LS1-16

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

• Free Shipping
• Special Order

BB Chev Gen 6 Hyd Roller (9 Key Way) 4SR-50 Chain

Part Number: HPC-8398-9

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Free Shipping
• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

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

Part Number: HPC-8600-16

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Special Order

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

Part Number: HPC-8617-12

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Special Order

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

Part Number: HPC-SPR-SS-16

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

• Special Order

Clay Smith Service Station Jacket - Black XL

Part Number: HPC-MJ12-XL

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Valve Springs, Dual, 1.425 in. Outside Diameter, 280lbs/in. Rate, .916 in. Coil Bind Height, Set of 16

Part Number: HPC-SPR-DSS-16

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Timing Chain Set (170/200ci)

Part Number: HPC-CSC-200-TCS

Not Yet Reviewed

Estimated Ship Date: Today

T-Shirt, Short Sleeve, Cotton, Black, Clay Smith Cams Logo, Men's Small, Each

Part Number: HPC-M94-SM

Not Yet Reviewed

Estimated Ship Date: Today

T-Shirt, Cotton, Mr. Horsepower Logo, Black, Men's Small, Each

Part Number: HPC-M60-SM

Not Yet Reviewed

Estimated Ship Date: Today

Camshaft, Hydraulic Roller Tappet, 280 int./282 exh. Advertised Duration, 0.578 int./0.557 exh. Lift, 110 Lobe Separation, Steel Core, Chevy, Each

Part Number: HPC-150-6105

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Lifters, Hydraulic Flat Tappet, Pontiac, Set of 16

Part Number: HPC-120-0107

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Valve Springs, Dual, 1.539 in. Outside Diameter, 440lbs/in. Rate, 1.132 in. Coil Bind Height, Set of 16

Part Number: HPC-SPR-HDR-16

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

95th Anniversary Hooded Sweatshirt - Black 3X

Part Number: HPC-MS92-3X

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

95th Anniversary Hooded Sweatshirt - Black 4X

Part Number: HPC-MS92-4X

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

95th Anniversary Hooded Sweatshirt - Black MD

Part Number: HPC-MS92-MD

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

95th Anniversary Hooded Sweatshirt - Black SM

Part Number: HPC-MS92-SM

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

95th Anniversary Hooded Sweatshirt - Black XX

Part Number: HPC-MS92-XX

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Clay Smth Cordory Jacket - Brown LG

Part Number: HPC-MJ11-LG

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Clay Smth Cordory Jacket - Brown MD

Part Number: HPC-MJ11-MD

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order