High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
Mutha' Thumpr 235/249 Hydraulic Roller Cam
Application Summary:
| Year |
Make/Model |
| 1996-2000 |
Chevrolet C2500 |
| 1996-1999 |
Chevrolet C2500 Suburban |
| 1996-2000 |
Chevrolet C3500 |
| 1996-2000 |
Chevrolet Express 3500 |
| 1996 |
Chevrolet G30 |
| 1996-2000 |
Chevrolet K2500 |
| 1996-1999 |
Chevrolet K2500 Suburban |
| 1996-2000 |
Chevrolet K3500 |
| 1996-1999 |
Chevrolet P30 |
| 1996-2000 |
GMC C2500 |
| 1996-1999 |
GMC C2500 Suburban |
| 1996-2000 |
GMC C3500 |
| 1996 |
GMC G3500 |
| 1996-2000 |
GMC K2500 |
| 1996-1999 |
GMC K2500 Suburban |
| 1996-2000 |
GMC K3500 |
| 1996-1999 |
GMC P3500 |
| 1996-2000 |
GMC Savana 3500 |
| Attributes |
| Advertised Exhaust Duration |
311, 311 |
| Advertised Intake Duration |
291, 291 |
| Amazon ASIN |
B005H89P6U |
| ASIN |
B005H89P6U |
| Assembly Lubricant Included |
No, No |
| Basic Operating RPM Range |
2,200-5,900, 2,200-5,900 |
| C.A.R.B. E.O. Number |
N/A |
| C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967? |
Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for On-Road Vehicles? |
No |
| C.A.R.B. Exempt for Racing and Off-Road Only Vehicles? |
Yes, but must be a race/competition only vehicle. |
| C.A.R.B. Exemption Reason |
N/A |
| California Proposition 65 |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Cam and Lifter Kit Upgrade |
CL01-601-8, CL01-601-8 |
| Cam Type |
Hydraulic Roller, Hydraulic Roller |
| Camshaft Gear Attachment |
3-Bolt, 3-Bolt |
| Camshaft Material |
Austempered Ductile Iron, Austempered Ductile Iron |
| Camshaft Series |
Thumpr, Thumpr |
| Country of Origin (Primary) |
US |
| Emission Code |
Not in CA |
| Engine Family |
Chevrolet GEN VI 454 and 502 c.i. 8 Cylinder (1996-1999), Chevrolet GEN VI 454 and 502 c.i. 8 Cylinder (1996-1999) |
| Engine Make/Size |
Chevy Gen VI 454 |
| Exh. Duration @ .050 in. (Deg) |
249 |
| Exh. Duration Advertised (Deg) |
311 |
| Exhaust Duration at .050 inch Lift |
249, 249 |
| Exhaust Valve Lift |
0.542, 0.542 |
| Exhaust Valve Lift (in.) |
0.542 |
| Grind Number |
291THR7, 291THR7 |
| Harmonized Tariff Code (Schedule B) |
8409914000 |
| Hazardous Material Code |
N |
| Int. Duration @ .050 in. (Deg) |
235 |
| Int. Duration Advertised (Deg) |
291 |
| Intake Duration at .050 Inch Lift |
235, 235 |
| Intake Valve Lift |
0.557, 0.557 |
| Intake Valve Lift (in.) |
0.557 |
| K-Kit Upgrade |
K01-601-8, K01-601-8 |
| Life Cycle Status Code |
Available to Order |
| Lifter Style |
Hydraulic Roller |
| Lifter Type |
Hydraulic Roller, Hydraulic Roller |
| Lifters Included |
No, No |
| Lobe Separation |
107, 107 |
| NAFTA Preference Criterion Code |
B |
| RPM Range |
2200-5900 |
| SDR Required Flag |
N |
| SDS Sheet Number |
N/A |
| Usage |
Street/Strip, Street/Strip |
| Valve Springs Required |
Yes, Yes |
| Warranty Time |
12 |
| GTIN |
00036584211945 |
