Comp Cams Mustang GT 5.0L Thumpr NSR 228/238 Camshafts (2018-2021)

Comp Cams' 433700 Thumpr NSR camshafts are a direct fit for 5.0L Coyote powered 2018+ Mustang GT's. They make power in the 2,000-7,600 RPM range.
Part Number: 427 433700
If Anderson Composites product is delivered defective or damaged, you must notify Steeda within 24 hours of delivery.

By checking this box, I accept these terms *

Write a Review


Comp Cams Thumpr camshafts make power from 2,000-7,600 RPM. They are a direct fit for 2018+ 5.0L Coyote powered Mustang GT's. The Thumpr NSR camshafts feature a grind profile that does not require new springs, keepers or retainers.  

The Thumpr cams have a slightly longer exhaust duration to provide an aggressive idle with lope. Maximum effect and power production is produced in combination with long tube headers

Features and Benefits:

  • Billet steel hydraulic roller finger camshaft
  • No springs required
  • 2,000-7,600 RPM range
  • Advertised Intake Duration: 276 degrees
  • Advertised Exhaust Duration: 309 degrees
  • Intake Valve Lift: .550 inches
  • Exhaust Valve Lift: .540 inches
  • Lobe Separation: 124 degrees

CA Residents: Cancer and Reproductive Harm WARNING

Fitment & Features


Manufacturer: Comp Cams

Vehicle Fitment:

Fits Model Year: 2018, 2019, 2020, 2021
There are no reviews for this product!

Related Items

123123 - 0
Back to TOP
0 Items