Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
Clay Smith Engineering Parts and Accessories
BB Chev Gen 6 Hyd Roller (9 Key Way) 4SR-50 Chain
Part Number: HPC-8398-9
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
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: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Valve Spring Retainers, Chromoly Steel, 7 Degree, 1.440 in. O.D., .700 in. I.D., Set of 16
Part Number: HPC-8603-16
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Steel Retainer 11/32 X 1.250" 7 Degree *16 pc
Part Number: HPC-8600-16
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
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: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
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: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
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: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
The Mr. Horsepower Resort shirt blends a retro design with the iconic cartoon mascot of legendary hot...
$59.50
—
$65.50
$49.50
—
$59.50
Sign, Clay Smith Cams Stars and Stripes, Metal, Oval, 16.00 in. Width, 12.50 in. Height, Each
Part Number: HPC-A806
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
T-Shirt, Cotton, Mr. Horsepower Logo, Black, Men's Small, Each
Part Number: HPC-M60-SM
Not Yet Reviewed
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
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: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Timing Chain Set (170/200ci)
Part Number: HPC-CSC-200-TCS
Not Yet Reviewed
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
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: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
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: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
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: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Lifters, Hydraulic Flat Tappet, Pontiac, Set of 16
Part Number: HPC-120-0107
Not Yet Reviewed
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Camshaft, Hydraulic Roller Tappet, Stepped Front, 296 int./300 exh. Advertised Duration, 0.620 int./0.569 exh. Lift, 110 Lobe Separation, Chevy, Each
Part Number: HPC-160-3115-S
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Liftes, Hydraulic Roller, BB Chevrolet, T/B (HLT)
Part Number: HPC-125-4795
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
10 Degree 3/8 Machine Valve Locks
Part Number: HPC-8709-16
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
1.550 Std Double Titanium Retainers 16 pcs
Part Number: HPC-8633-16
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
1.437/1.550 Std Double Titanium Retainer 16 pcs
Part Number: HPC-8632-16
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
95th Anniversary Hooded Sweatshirt - Black 3X
Part Number: HPC-MS92-3X
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
95th Anniversary Hooded Sweatshirt - Black LG
Part Number: HPC-MS92-LG
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Clay Smth Cordory Jacket - Brown 4X
Part Number: HPC-MJ11-4X
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Clay Smth Cordory Jacket - Brown MD
Part Number: HPC-MJ11-MD
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
