SKU: 18070491422

COMP CAMS THUMPR HYDRAULIC FLAT TAPPET CAMSHAFT FORD WINDSOR 351 # CC35-601-4

Sale price$236.25 Regular price$262.50
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Description

COMP CAMS THUMPR HYDRAULIC FLAT TAPPET CAMSHAFT FORD WINDSOR 351 # CC35-601-4COMP CAMS THUMPR HYDRAULIC FLAT TAPPET CAMSHAFT FORD WINDSOR 351 # CC35 601 4 Camshaft; Mutha Thumpr; Camshaft; Hydraulic Flat Tappet; 2200 6100rpm; Adver. Dur. 287 Int. 305 Exh.; Val Camshaft Use: Street Strip Basic Operating RPM Range: 2,200 6,100 Intake Duration at 050 inch Lift: 235 Exhaust Duration at 050 inch Lift: 249 Duration at 050 inch Lift: 235 int. 249 exh. Advertised Intake Duration: 287 Advertised Exhaust Duration: 304 Advertised

COMP CAMS THUMPR HYDRAULIC FLAT TAPPET CAMSHAFT FORD WINDSOR 351 # CC35-601-4
Camshaft; Mutha Thumpr; Camshaft; Hydraulic Flat Tappet; 2200-6100rpm; Adver. Dur. 287 Int./305 Exh.; Val
Camshaft Use:
Street/Strip
Basic Operating RPM Range:
2,200-6,100
Intake Duration at 050 inch Lift:
235
Exhaust Duration at 050 inch Lift:
249
Duration at 050 inch Lift:
235 int./249 exh.
Advertised Intake Duration:
287
Advertised Exhaust Duration:
304
Advertised Duration:
287 int./304 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.501 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.486 in.
Valve Lift with Factory Rocker Arm Ratio:
0.501 int./0.486 exh.
Lobe Separation (degrees):
107
Computer-Controlled Compatible:
No
Grind Number:
287TH7
Valve Springs Required:
Yes
Quantity:
Sold individually.
Notes:
Not designed for fuel injected applications.
COMP Cams Thumpr Hydraulic Flat Tappet Camshafts
COMP Cams is bringing the musclecar sound back, and it's nastier than ever! Few things grab our attention at a car show or cruise-in like a thumping, high performance idle. In fact, one of the most frequent questions from customers is, "What camshaft will give my car that mean-sounding idle?" For the performance and sound you demand, COMP Cams engineers introduce the Thumpr camshaftsa new series of hydraulic flat tappet cams. The lobe profile and grind characteristics of Thumprs use a combination of early exhaust valve opening, long exhaust duration, and a generous amount of intake and exhaust overlapto maximize the rough-idling characteristics of the cams. They give you a seriously aggressive exhaust note without negatively impacting the power output or streetability of the engine. Thumpr camshafts are available in several grind profiles; each one will produce a rough, racy exhaust note and impressive amounts of horsepower and torque within a different rpm range.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 18070491422

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Ranae Ledford
Lexington, US
★★★★★ 5
Good, but size up!
Color: Black, Size: 30W x 29L
These are exactly what I wanted, but as many have stated, you need to size up. I found that going up two sizes (from my usual 28 to a 30) made for a great fit. I love that they come in a 29 length. One anything point is they came with creases in them from being folded in the package for a length of time. I had to steam and press them before wearing. I’ll likely buy them in other colors.
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Reviewed in the United States on March 18, 2026
W
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William B. Fisher
Pawtucket, US
★★★★★ 5
Great Pants
Color: Khaki, Size: 46W x 32L
Great pants but buy one size up in the waist. They are well made, comfortable, and good looking. They are Dickies brand what more needs to be said.
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Reviewed in the United States on May 2, 2026
H
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H
Dallas, US
★★★★★ 4
order 3 or 4 inches up than your usual waist, run very small in waist
Color: Charcoal, Size: 33W x 30L
arrived with dirt on the bottom legs but amazon helped with that. anyway I weigh 115 lbs and am 5'8 and I am a woman. I know that Dickies these days run super small for their size, so it sounds insane but order up 4 inches than your normal waist size, then run small in the waist and they will shrink a size with a few washings. I ordered a 33 waist and they did shrink probably a size in one wash lol! they are still a bit loose in the waist but not big and I know with a couple more washings they will be just right. I do not like anything skinny fit or with no give. but yah, I love the charcoal gray color, one of my favorite colors, much cooler than plain black. I normally enjoy the Dickies shorts but with these forty something degree afternoons these are my new go tos. I am not a jeans person and I sure as hell with not be wearing pajama pants out in public like these dang younger adults lately.
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Reviewed in the United States on December 7, 2025
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AmazonSmile
Dallas, US
★★★★★ 5
Perfect fit every time
Color: Silver, Size: 30W x 30L
These original 874’s are the real deal. Stocked up during the sale and got them for my husband. He loves all the colors and the durability of these pants is incredible. He still has some from 14 years ago! But he wanted a few new ones- and they had more colors so I stocked up and surprised him when I told him how much they cost during the sale. These pants never wrinkle. I wash them hot and air dry- no wrinkling or shrinking. They look great. They’re sewn to perfection. The quality is there and has been for years, a reason my husband only wears these. Quality, value, durability, style, fit. Great for all seasons, they’re not too heavy or too light. Great functionality- pockets for everything . Great even in summer - they are very breathable. Perfect fit every time. Great for heavy road construction or just going for a hike. Highly recommend!
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Reviewed in the United States on November 22, 2025
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Moises
Whiting, US
★★★★★ 5
Good work pants
Color: Dark Brown, Size: 46W x 32L
run small / snug I would recommend getting next size up minimum.
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Reviewed in the United States on May 18, 2026

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