COMP Cams Camshaft CB 321Jr-12 - cca11-740-9
COMP Cams Drag Race 321JR-12 Roller Camshaft for Big Block Chevy PartNumber : cca11-740-9 Description : Drag Race Camshaft Title : 11-740-9 CamShaft, CB 321JR-12 Advertised Exhaust Duration : 336 Advertised Intake Duration : 321 Assembly Lubricant Included : No Basic Operating RPM Range : 5,000-7,500 California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Cam Type : Solid Roller Camshaft Gear Attachment : 3-Bolt Camshaft Material : Billet Steel Camshaft Series : Drag Race Engine Family : Chevrolet 396-454 c.i. 8 Cylinder (1967-1996) Exhaust Duration at .050 inch Lift : 296 Exhaust Valve Lift : 0.748 Grind Number : 321JR-12 Intake Duration at .050 Inch Lift : 284 Intake Valve Lift : 0.748 Lifter Style : Solid Roller Lifters Included : No Lobe Separation : 112 Valve Springs Required : Yes Exhaust Duration : 336-5 RPM Range : 5000-13000 Exhaust Valve Lift(in) : 0.748 Intake Duration : 321-4 Usage : Strip Intake Valve Lift(in) : 0.748 Exhaust Duration @ .050 in. : 298 Intake Duration @ .050 in. : 286 Lifter Type : Mechanical Roller Engine Components::Camshafts
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