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Whether you’re upgrading for looks or looking for a more refined aerodynamic profile
Designed as a plug-and-play swap for straightforward installation
Stainless Steel - Won't rust or fade under heat cycles and weather
air flow %
Both work — welding creates a permanent joint with no leaks
Comp Cams CB 299T HR-7 BMT Thumpr & Lifter Kit Haltech Whether you’re upgrading for looksBig Mutha Thumpr", 299T HR 7: Cam & Lifter Kit Hydraulic Roller: Street strip, needs 9. 5: 1 CR , 2800+ stall, intake, gears, and headers, very rough idle. Specifications Lifter Type: Hydraulic Roller Lifter Engine Family: Chevrolet 396 454 c. i. 8 CYL. 1965 1996 Cam Family: Thumpr" Retro Fit Hydraulic Roller Camshafts RPM Range: 2300 to 6100 Valve Timing: 0. 006 Lobe Separation: 107 Intake Centerline: 102 Valve Lash: Hyd.(Intake) Hyd.(Exhaust)
