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COMP Cams Thumpr Hydraulic Roller Camshaft Ford

(Jeep Grand Cherokee 1993-98, Grand Wagoneer 1993; Ford F-150 1977-95, Mustang 1964-95, F-250 1977-95, Bronco 1978-95 + 222 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

6 part numbers · from $529.62
9 reviews
Sale Price

from $529.62

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The COMP Cams Thumpr Hydraulic Roller Camshaft for Ford engines is designed for drivers who want the aggressive, choppy idle of a classic muscle car without giving up everyday drivability. This hydraulic roller cam (also called a roller cam or hydraulic roller camshaft) uses a lobe profile that creates a distinctive rumble at idle. It also delivers strong low- and mid-range torque for street and street/strip builds.

Key Features:

  • Distinctive idle character: The Thumpr lobe design produces an aggressive, lumpy idle while keeping manners suitable for street use.
  • Hydraulic roller design: Roller lifters reduce friction and valvetrain wear. Hydraulic operation means no routine valve lash adjustments.
  • Torque-focused powerband: Lobe profiles are built to improve throttle response and torque in the low and mid RPM range.
  • Precision manufacturing: COMP Cams grinds its camshafts to tight tolerances, so lobe geometry is consistent and performance is repeatable.
  • Multiple grinds available: The product line offers several cam options for different Ford engine families and performance goals.

Pair the camshaft with matched roller lifters, valve springs, pushrods and other valvetrain components to get the best results and long service life. COMP Cams is a well-known name in performance valvetrain parts, and the Thumpr line is a popular choice for street performance Ford builds.

Products specifications

Fits

Jeep Grand Cherokee 1993-98, Grand Wagoneer 1993; Ford F-150 1977-95, Mustang 1964-95, F-250 1977-95, Bronco 1978-95, Thunderbird 1968-81, 1983-88, 1991-93, F-350 1977-95, Maverick 1971-77, Galaxie 500 1963-74, F-100 1977-79, 1981 + 217 more models

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6 items

Picture of COMP Cams 35-600-8 Thumpr Hydraulic Roller Camshaft Ford - 227/241 351W Picture of COMP Cams 35-600-8 Thumpr Hydraulic Roller Camshaft Ford - 227/241 351W
COMP Cams 35-600-8 Thumpr Hydraulic Roller Camshaft Ford - 227/241 351W
Description
Specifications
Advertised Exhaust Duration303
Advertised Intake Duration283
AMAZON ASINB0014F35IY
Assembly Lubricant IncludedNo
Basic Operating RPM Range1,900-5,600
C.A.R.B. E.O. NumberN/A
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?Yes, but must meet tailpipe emission standards for year of vehicle.
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 ReasonN/A
California Proposition 65WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Cam and Lifter Kit UpgradeCL35-600-8
Cam TypeHydraulic Roller
Cam, Lifter and Gear Drive UpgradeGK35-600-8
Camshaft Gear Attachment1-Bolt
Camshaft MaterialAustempered Ductile Iron
Camshaft SeriesThumpr
Engine FamilyFord 351W 8 Cylinder (1969-1996)
Exhaust Duration at .050 inch Lift241
Exhaust Valve Lift0.515
Grind Number283THR7
Intake Duration at .050 Inch Lift227
Intake Valve Lift0.531
K-Kit UpgradeK35-600-8
Lifter TypeHydraulic Roller
Lifters IncludedNo
LOBE SEPARATION107
UsageStreet/Performance
Valve Springs RequiredYes
$577.95
PART NUMBER: 35-600-8
In Stock (10+)
Usually delivered within 2 days
Picture of COMP Cams 20-600-9 Thumpr Hydraulic Roller Camshaft Chrysler - 227/241 273-360 Picture of COMP Cams 20-600-9 Thumpr Hydraulic Roller Camshaft Chrysler - 227/241 273-360
COMP Cams 20-600-9 Thumpr Hydraulic Roller Camshaft Chrysler - 227/241 273-360
Description
Specifications
Advertised Exhaust Duration303
Advertised Intake Duration283
AMAZON ASINB001GBPKHK
Assembly Lubricant IncludedNo
Basic Operating RPM Range1,900-5,600
C.A.R.B. E.O. NumberN/A
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?Yes, but must meet tailpipe emission standards for year of vehicle.
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 ReasonN/A
California Proposition 65WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Cam and Lifter Kit UpgradeCL20-600-9
Cam TypeHydraulic Roller
Camshaft Gear Attachment1-Bolt
Camshaft MaterialBillet Steel
Camshaft SeriesThumpr
Engine FamilyChrysler 273-360 c.i. 8 Cylinder (1964-2002)
Exhaust Duration at .050 inch Lift241
Exhaust Valve Lift0.498
Grind Number283THR7
Intake Duration at .050 Inch Lift227
Intake Valve Lift0.513
K-Kit UpgradeK20-600-9
Lifter TypeHydraulic Roller
Lifters IncludedNo
LOBE SEPARATION107
UsageStreet/Performance
Valve Springs RequiredYes
$558.95
PART NUMBER: 20-600-9
In Stock (10+)
Usually delivered within 2 days
Picture of COMP Cams 34-600-9 Thumpr Hydraulic Roller Camshaft for Ford 429/460 Picture of COMP Cams 34-600-9 Thumpr Hydraulic Roller Camshaft for Ford 429/460 Picture of COMP Cams 34-600-9 Thumpr Hydraulic Roller Camshaft for Ford 429/460
COMP Cams 34-600-9 Thumpr Hydraulic Roller Camshaft for Ford 429/460
Description
Specifications
Advertised Exhaust Duration303
Advertised Intake Duration283
AMAZON ASINB0046ZGBT4
Assembly Lubricant IncludedNo
Basic Operating RPM Range1,900-5,600
C.A.R.B. E.O. NumberN/A
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?Yes, but must meet tailpipe emission standards for year of vehicle.
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 ReasonN/A
California Proposition 65WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Cam and Lifter Kit UpgradeCL34-600-9
Cam TypeHydraulic Roller
Camshaft Gear Attachment1-Bolt
Camshaft MaterialBillet Steel
Camshaft SeriesThumpr
Engine FamilyFord 429, 460 c.i. 8 Cylinder (1968-1995)
Exhaust Duration at .050 inch Lift241
Exhaust Valve Lift0.539
Grind Number283THR7
Intake Duration at .050 Inch Lift227
Intake Valve Lift0.557
K-Kit UpgradeK34-600-9
Lifter TypeHydraulic Roller
Lifters IncludedNo
LOBE SEPARATION107
UsageStreet/Performance
Valve Springs RequiredYes
$558.95
PART NUMBER: 34-600-9
2 left at this price
Usually delivered within 2 days
Picture of COMP Cams 31-600-8 Thumpr Hydraulic Roller Camshaft Ford - 227/241 221-302 Picture of COMP Cams 31-600-8 Thumpr Hydraulic Roller Camshaft Ford - 227/241 221-302 Picture of COMP Cams 31-600-8 Thumpr Hydraulic Roller Camshaft Ford - 227/241 221-302
COMP Cams 31-600-8 Thumpr Hydraulic Roller Camshaft Ford - 227/241 221-302
Description
Specifications
Advertised Exhaust Duration303
Advertised Intake Duration283
AMAZON ASINB0046ZHKD0
Assembly Lubricant IncludedNo
Basic Operating RPM Range1,900-5,600
C.A.R.B. E.O. NumberN/A
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?Yes, but must meet tailpipe emission standards for year of vehicle.
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 ReasonN/A
California Proposition 65WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Cam and Lifter Kit UpgradeCL31-600-8
Cam TypeHydraulic Roller
Camshaft Gear Attachment1-Bolt
Camshaft MaterialAustempered Ductile Iron
Camshaft SeriesThumpr
Engine FamilyFord 221, 260, 289, 302 c.i. 8 Cylinder (1963-1995)
Exhaust Duration at .050 inch Lift241
Exhaust Valve Lift0.515
Grind Number283THR7
Intake Duration at .050 Inch Lift227
Intake Valve Lift0.531
K-Kit UpgradeK31-600-8
Lifter TypeHydraulic Roller
Lifters IncludedNo
LOBE SEPARATION107
UsageStreet/Performance
Valve Springs RequiredYes
$529.63
PART NUMBER: 31-600-8
Ships from manufacturer
Picture of COMP Cams 32-600-8 Thumpr Hydraulic Roller Camshaft Ford - 227/241 351C 351M 400M Picture of COMP Cams 32-600-8 Thumpr Hydraulic Roller Camshaft Ford - 227/241 351C 351M 400M
COMP Cams 32-600-8 Thumpr Hydraulic Roller Camshaft Ford - 227/241 351C 351M 400M
Description
Specifications
Advertised Exhaust Duration303
Advertised Intake Duration283
AMAZON ASINB0046ZHM2O
Assembly Lubricant IncludedNo
Basic Operating RPM Range1,900-5,600
C.A.R.B. E.O. NumberN/A
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?Yes, but must meet tailpipe emission standards for year of vehicle.
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 ReasonN/A
California Proposition 65WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Cam and Lifter Kit UpgradeCL32-600-8
Cam TypeHydraulic Roller
Camshaft Gear Attachment1-Bolt
Camshaft MaterialAustempered Ductile Iron
Camshaft SeriesThumpr
Engine FamilyFord 351C, 351M-400M 8 Cylinder (1970-1983)
Exhaust Duration at .050 inch Lift241
Exhaust Valve Lift0.539
Grind Number283THR7
Intake Duration at .050 Inch Lift227
Intake Valve Lift0.557
K-Kit UpgradeK32-600-8
Lifter TypeHydraulic Roller
Lifters IncludedNo
LOBE SEPARATION107
UsageStreet/Performance
Valve Springs RequiredYes
$529.62
PART NUMBER: 32-600-8
Ships from manufacturer
Picture of COMP Cams 23-600-9 Thumpr Hydraulic Roller Camshaft Chrysler - 227/241 383-440 Picture of COMP Cams 23-600-9 Thumpr Hydraulic Roller Camshaft Chrysler - 227/241 383-440 Picture of COMP Cams 23-600-9 Thumpr Hydraulic Roller Camshaft Chrysler - 227/241 383-440
COMP Cams 23-600-9 Thumpr Hydraulic Roller Camshaft Chrysler - 227/241 383-440
Description
Specifications
Advertised Exhaust Duration303
Advertised Intake Duration283
AMAZON ASINB0046ZJ3KI
Assembly Lubricant IncludedNo
Basic Operating RPM Range1,900-5,600
C.A.R.B. E.O. NumberN/A
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?Yes, but must meet tailpipe emission standards for year of vehicle.
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 ReasonN/A
California Proposition 65WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Cam TypeHydraulic Roller
Camshaft Gear Attachment3-Bolt
Camshaft MaterialBillet Steel
Camshaft SeriesThumpr
Engine FamilyChrysler 383-440 c.i. 8 Cylinder (1959-1980)
Exhaust Duration at .050 inch Lift241
Exhaust Valve Lift0.498
Grind Number283THR7
Intake Duration at .050 Inch Lift227
Intake Valve Lift0.513
Lifter TypeHydraulic Roller
Lifters IncludedNo
LOBE SEPARATION107
UsageStreet/Performance
Valve Springs RequiredYes
$622.95
PART NUMBER: 23-600-9
Ships from manufacturer

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