SKU: 93190316409

Comp Cams Camshaft, FE 283TH R7 THUMPR 

Sale price$555.73 Regular price$617.48
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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For Your Every Summer RSVP, with Code: SUMMER15

Description

Comp Cams Camshaft, FE 283TH R7 THUMPRThumpr Camshafts are available in three different grind profiles, each one of which will produce a rough, racy exhaust note and impressive amounts of horsepower and torque at a different rpm range. Their cutting edge hydraulic roller design means that they will deliver a substantial power increase over an identical hydraulic flat tappet grind without sacrificing reliability or ease of maintenance. So look no further than the Thumpr line of camshafts

Thumpr Camshafts are available in three different grind profiles, each one of which will produce a rough, racy exhaust note and impressive amounts of horsepower and torque at a different rpm range. Their cutting-edge hydraulic roller design means that they will deliver a substantial power increase over an identical hydraulic flat tappet grind without sacrificing reliability or ease of maintenance. So look no further than the Thumpr line of camshafts - engineered to deliver that much sought-after ''thumping'' idle quality to everyone.

Features:

  • Retro-fit hydraulic roller design will fit all factory flat tappet equipped Small Block Chevy and Ford Windsor
  • 3 grinds to fit all of your cruising and street performance needs
  • Long exhaust duration and other grind characteristics produce a powerful, hard-hitting exhaust note
  • Excellent horsepower gains and broad torque curve deliver real seat of the pants performance
  • Designed for use with the latest in valve train component advancements such as Beehive Valve Springs, Pro Magnum Roller Rockers and Magnum Pushrods.

Camshaft & Lifter Kits are indicated by a CL in their part number and include Camshaft, Lifters, Assembly Lube, Decals, and Instructions.

Complete Kits are indicated by a K in their part number and include Camshaft, Lifters, Timing Chain & Gears, Valve Springs, Retainers, Locks, Assembly Lube, Decals, and Instructions.

ThumprT : High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle.

Specifications

Lift: .557"/.539"

Duration: 283°/303°

Lobe Separation Angle: 107°

RPM Range: 1900-5600

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: 93190316409

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rene m moore
Charlottesville, US
★★★★★ 5
Works great
Size: 60 Count (Pack of 1)
Great Stuff
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Reviewed in the United States on March 15, 2026
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Cupcake
Draper, US
★★★★★ 5
2 mg perfect for me
Size: 60 Count (Pack of 1)
Easier to low dose
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Reviewed in the United States on April 12, 2026
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julian charles
Dallas, US
★★★★★ 4
Good product
Size: 60 Count (Pack of 1)
Good product
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Reviewed in the United States on November 22, 2025
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Dee Beck
New York, US
★★★★★ 5
Usual,y. Helps me sleepme sle
Size: 60 Count (Pack of 1)
Works for me. Helps me have a restful sleep
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Reviewed in the United States on April 19, 2026
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Jane W.
Louisville, US
★★★★★ 5
It works!
Size: 60 Count (Pack of 1)
Life Extension melatonin seems to work well. I’ve found that 1mg is as effective as the 3mg doses of other brands. I take 1mg every evening, as so does my German Shepherd. It helps us sleep through the night. We chose this brand because it’s clean and simple.
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Reviewed in the United States on November 17, 2025

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