AMC 290-401 c.i. 8 CYL. 1966-1991
  • Thumpr

  • AMC 290-401 c.i. 8 CYL. 1966-1991
  • Mutha Thumpr

  • AMC 290-401 c.i. 8 CYL. 1966-1991
  • Big Mutha Thumpr

  • Chevy 262-400ci Small Block 1958-98 Non-Factory Roller Block
  • Thumpr
  • COMP Cams Thumpr Retro-Fit Hydraulic Roller Camshaft Lift: .513"/.498"


    Thumpr Retro-Fit Hydraulic Roller Camshaft
  • Lift: .513"/.498"
  • Duration: 283°/303°
  • Lobe Separation Angle: 107°
  • RPM Range: 1900-5600
  • $277.99
    Ships Today
    FREE Shipping




    Chevy 262-400ci Small Block 1958-98 Non-Factory Roller Block
  • Mutha Thumpr
  • COMP Cams Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft Lift: .522"/.509"


    Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft
  • Lift: .522"/.509"
  • Duration: 291°/311°
  • Lobe Separation Angle: 107°
  • RPM Range: 2200-5900
  • $277.99
    Ships Today
    FREE Shipping


    COMP Cams Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft, Lifters, & Gear Drive Kit Lift: .522"/.509"


    Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft, Lifters, & Gear Drive Kit
  • Lift: .522"/.509"
  • Duration: 291°/311°
  • Lobe Separation Angle: 107°
  • RPM Range: 2200-5900
  • $895.99
    Ships 12/16/16
    FREE Shipping

    COMP Cams Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft Complete Kit Lift: .522"/.509"


    Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft Complete Kit
  • Lift: .522"/.509"
  • Duration: 291°/311°
  • Lobe Separation Angle: 107°
  • RPM Range: 2200-5900
  • $1,054.99
    Ships 12/16/16
    FREE Shipping

    Chevy 262-400ci Small Block 1958-98 Non-Factory Roller Block
  • Big Mutha Thumpr
  • COMP Cams Big Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft Lift: .533"/.519"


    Big Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft
  • Lift: .533"/.519"
  • Duration: 299°/319°
  • Lobe Separation Angle: 107°
  • RPM Range: 2500-6200
  • $280.99
    Ships Today
    FREE Shipping


    COMP Cams Big Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft, Lifters, & Gear Drive Kit Lift: .533"/.519"


    Big Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft, Lifters, & Gear Drive Kit
  • Lift: .533"/.519"
  • Duration: 299°/319°
  • Lobe Separation Angle: 107°
  • RPM Range: 2500-6200
  • $895.99
    Ships in 24hrs
    FREE Shipping

    COMP Cams Big Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft Complete Kit Lift: .533"/.519"


    Big Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft Complete Kit
  • Lift: .533"/.519"
  • Duration: 299°/319°
  • Lobe Separation Angle: 107°
  • RPM Range: 2500-6200
  • $1,043.99
    Ships 12/15/16
    FREE Shipping

    Chevy 262-400ci Small Block 1987-98 -Factory Roller Block
  • Thumpr
  • COMP Cams Thumpr Hydraulic Roller Camshaft Lift: .513"/.498"


    Thumpr Hydraulic Roller Camshaft
  • Lift: .513"/.498"
  • Duration: 283°/303°
  • Lobe Separation Angle: 107°
  • RPM Range: 1900-5600
  • $280.99
    Ships Today
    FREE Shipping




    Chevy 262-400ci Small Block 1987-98 -Factory Roller Block
  • Mutha Thumpr
  • COMP Cams Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft Lift: .522"/.509"


    Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft
  • Lift: .522"/.509"
  • Duration: 291°/311°
  • Lobe Separation Angle: 107°
  • RPM Range: 2200-5900
  • $280.99
    Ships in 24hrs
    FREE Shipping


    COMP Cams Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft, Lifters, & Gear Drive Kit Lift: .522"/.509"


    Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft, Lifters, & Gear Drive Kit
  • Lift: .522"/.509"
  • Duration: 291°/311°
  • Lobe Separation Angle: 107°
  • RPM Range: 2200-5900
  • $684.99
    Ships in 24hrs
    FREE Shipping


    Chevy 262-400ci Small Block 1987-98 -Factory Roller Block
  • Big Mutha Thumpr


  • COMP Cams Big Mutha Thumpr Hydraulic Roller Camshaft/Lifter/Gear Drive Small Block Chevy 1987-02 Lift: .533"/.519"


    Big Mutha Thumpr Hydraulic Roller Camshaft/Lifter/Gear Drive
    Small Block Chevy 1987-02
  • Lift: .533"/.519"
  • Duration: 299°/319°
  • Lobe Separation Angle: 107°
  • RPM Range: 2500-6200
  • $677.99
    Ships in 24hrs
    FREE Shipping


    GM LS Series Gen III/IV Three-Bolt 8 Cyl. 1997-Present
  • Thumpr

  • GM LS Series Gen III/IV Three-Bolt 8 Cyl. 1997-Present
  • Mutha Thumpr

  • GM LS Series Gen III/IV Three-Bolt 8 Cyl. 1997-Present
  • Big Mutha Thumpr