Very rough idle, biggest cam for stock heads. Great power above 4900 RPM. Compatible with stock valve springs, benefits from converter and gears, requires cam phaser upgrade and custom tuning.
Mutha' Thumpr NSR 234/254 Hydraulic Roller Cam
Application Summary:
| Year |
Make/Model |
| 2006-2007 |
Avanti Avanti |
| 2005-2014 |
Ford Expedition |
| 2006-2010 |
Ford Explorer |
| 2007-2010 |
Ford Explorer Sport Trac |
| 2004-2010 |
Ford F-150 |
| 2005-2010 |
Ford F-250 Super Duty |
| 2005-2010 |
Ford F-350 Super Duty |
| 2009-2010 |
Ford Lobo |
| 2006-2010 |
Ford Mustang |
| 2006-2008 |
Lincoln Mark LT |
| 2005-2014 |
Lincoln Navigator |
| 2006-2010 |
Mercury Mountaineer |
| Attributes |
| Advertised Exhaust Duration |
306, 306, 306 |
| Advertised Intake Duration |
273, 273, 273 |
| Amazon ASIN |
B002EDY1KQ, B002EDY1KQ |
| ASIN |
B002EDY1KQ |
| Assembly Lubricant Included |
No, No, No |
| Basic Operating RPM Range |
750-6,600, 750-6,600, 750-6,600 |
| C.A.R.B. E.O. Number |
N/A, N/A |
| C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967? |
Yes, but must meet tailpipe emission standards for year of vehicle., Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for On-Road Vehicles? |
No, No |
| C.A.R.B. Exempt for Racing and Off-Road Only Vehicles? |
Yes, but must be a race/competition only vehicle., Yes, but must be a race/competition only vehicle. |
| C.A.R.B. Exemption Reason |
N/A, N/A |
| California Proposition 65 |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Cam Type |
Hydraulic Roller Finger Follower, Hydraulic Roller Finger Follower, Hydraulic Roller Finger Follower |
| Camshaft Gear Attachment |
1-Bolt, 1-Bolt, 1-Bolt |
| Camshaft Material |
Billet Steel, Billet Steel, Billet Steel |
| Camshaft Series |
Thumpr NSR (No Springs Required), Thumpr NSR (No Springs Required) |
| Country of Origin (Primary) |
US |
| Emission Code |
Not in CA |
| Engine Family |
Ford 4.6L and 5.4L SOHC Modular 3 Valve 8 Cylinder (2004+), Ford 4.6L and 5.4L SOHC Modular 3 Valve 8 Cylinder (2004+), Ford 4.6L and 5.4L SOHC Modular 3 Valve 8 Cylinder (2004+) |
| Engine Make/Size |
Ford 4.6L 3V, Ford 5.4L |
| Exh. Duration @ .050 in. (Deg) |
254 |
| Exh. Duration Advertised (Deg) |
306 |
| Exhaust Duration at .050 inch Lift |
254, 254, 254 |
| Exhaust Valve Lift |
0.45, 0.45, 0.45 |
| Exhaust Valve Lift (in.) |
0.45 |
| Grind Number |
MT273LL-9, MT273LL-9 |
| Harmonized Tariff Code (Schedule B) |
8409914000 |
| Hazardous Material Code |
N |
| Int. Duration @ .050 in. (Deg) |
234 |
| Int. Duration Advertised (Deg) |
273 |
| Intake Duration at .050 Inch Lift |
234, 234, 234 |
| Intake Valve Lift |
0.45, 0.45, 0.45 |
| Intake Valve Lift (in.) |
0.450 |
| Life Cycle Status Code |
Available to Order |
| Lifter Style |
Hydraulic Roller Finger Follower |
| Lifter Type |
Hydraulic Roller, Hydraulic Roller Finger Follower, Hydraulic Roller Finger Follower |
| Lifters Included |
No, No, No |
| Lobe Separation |
109, 109, 109 |
| NAFTA Preference Criterion Code |
B |
| RPM Range |
750-6600 |
| SDR Required Flag |
N |
| SDS Sheet Number |
N/A |
| Usage |
Street/Strip, Street/Strip |
| Valve Springs Required |
No, No, No |
| Warranty Time |
12 |
| GTIN |
00036584192350 |
