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Clay Smith Engineering Parts and Accessories
Lifters, Solid Flat Tappet, Ford, Y-Block, Set of 16
Part Number: HPC-120-0312
Not Yet Reviewed
Ball Cap, Cotton, Gray, Mr. Horsepower Logo, Flexfit, Small/Medium, Each
Part Number: HPC-H30-S-M
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Camshaft, Mechanical flat tappet, 284 int./284 exh. Advertised Duration, 0.462 int./0.462 exh. Lift, 108 Lobe Separation, Ford, Each
Part Number: HPC-81-051
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Clay Smith Cams offers the "Horsepower with Attitude" youth T-shirt for the kids with an attitude! Featuring...
Not Yet Reviewed
$24.00
T-Shirt, Pin Stripe California, Black, Small
Part Number: HPC-M81-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 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
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Hat, Ball Cap, Cotton, Black, Mr. Horsepower Logo, Flex Fit, Each
Part Number: HPC-H22-S-M
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, 1.460 in. O.D., 398 lbs./in. Rate, 1.023 in. Coil Bind Height, Set of 16
Part Number: HPC-SPR-HT-16
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Throttle up your wardrobe with this Clay Smith Cams Speed T-shirt! It has a soft cotton/poly blend and...
Not Yet Reviewed
$22.50
—
$28.50
Lifters, Hydraulic Flat Tappet, Non-Oiling, Ford, Inline 6-Cylinder, Set of 12
Part Number: HPC-120-1200
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Sign, Mr. Horsepower Speed Team, Metal, 13.00 in. Width, 14.00 in. Height, Each
Part Number: HPC-A860
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Camshaft, Hydraulic Roller Tappet, 288 int./300 exh. Advertised Duration, 0.600 int./0 569 exh. Lift, 112 Lobe Separation, Steel Core,Chevy, Each
Part Number: HPC-150-6161
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, 0.510 int./0.492 exh. Lift, 108 Lobe Separation, Retro, Chevy, Each
Part Number: HPC-150-3102
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Camshaft, Hydraulic Roller, 282 int./296 exh. Advertised Duration, .544 int./.534 exh. Lift, 108 Lobe Separation, Retrofit, Chevy, Small Block, Each
Part Number: HPC-150-3107
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Clay Smith Cams "Support Your Local Speed Shop" mechanic's shirt is the perfect blend of retro apparel...
Not Yet Reviewed
$39.50
8 pc of 1.450 Spring Cups 1.540" OD x 1.450" ID & 8 pc of Smog Rotator Replacements 1.735" OD x 1.450" ID spring
Part Number: HPC-8851-16
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
Camshaft, Hydraulic Flat Tappet, 267 int./267 exh.. Advertised Duration, 0.448 int./0.448 exh. Lift, 108 Lobe Separation, Ford, Each
Part Number: HPC-07-015
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
The Mr. Horsepower tank top features the perfect blend of retro apparel and Mr. Horsepower's vintage...
$34.00
$22.50
—
$27.50
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
Not Yet Reviewed
Need It Sooner? We recommend these similar substitute parts:
Lifters, Solid, Chevrolet-16pc
Part Number: HPC-120-0201
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
95th Anniversary Hooded Sweatshirt - Black XL
Part Number: HPC-MS92-XL
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Hat, Pro Fit, Large Logo, Black, S/M
Part Number: HPC-H15-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 Locks, Stamped, Alloy Steel, 7 Degree, 1-Groove, 3/8 in. Valve Stem, Set of 32
Part Number: HPC-8701-16
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
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: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
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: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
