Thumpr 227/241 Hydraulic Flat Cam for Chevrolet Small Block 262-400
Thumpr™ 227/241 Hydraulic Flat Cam for Chevrolet Small Block 262-400. High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
SKU: 12-600-4
Camshaft Material:
Valve Springs Required:
Assembly Lubricant Included:
Engine Family: Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
RPM Operating Range: 2,000-5,800
Grind Number: 279TH7
Cam Type: Hydraulic Flat Tappet
Lifter Style: Hydraulic Flat Tappet
Camshaft Series: Thumpr
Usage: Street/Performance
Advertised Intake Duration: 279
Advertised Exhaust Duration: 297
Intake Duration at .050 Inch Lift: 227
Exhaust Duration at .050 Inch Lift: 241
Intake Valve Lift: 0.479
Exhaust Valve Lift: 0.465
Lobe Separation: 107
Exhaust Close ATDC: 41
Intake Open BTDC: 36
Exhaust Open BBDC: 76
Intake Close ABDC: 63
Camshaft Gear Attachment: 3-Bolt
12-600-4-camshaft cs 279t h-107 t thumpr (219.89 kB)
Recommended Components
Component Part Number
Break-In Lube: 159
Cam and Lifter and Gear Drive Upgrade: GK12-600-4
CL-Kit Upgrade: CL12-600-4
K-Kit Upgrade: K12-600-4
Lifter Kit: 812-16 / 858-16
Rocker Arms: 1412-16
Steel Retainers: 742-16 / 795-16
Timing Set: 2100 / 3100
Valve Locks: 611-16 / 601-16
Valve Seals: 501-16
Valve Springs: 26981-16 / 981-16
*Photo for illustration purposes only
COMP CAMS HYDRAULIC FLAT TAPPET CAMSHAFT SUIT SBC 227/241@050 107LS THUMPER