Xtreme Energy 252/260 Solid Flat Cam for Chrysler 383-440

Xtreme Energy™ 252/260 Solid Flat Cam for Chrysler 383-440 (Single-Bolt). Max effort street and bracket race. 10.5:1 Compression, 3500+ stall and low gears.
SKU
21-233-4
$169.95
Grind Number: XS290S
Engine Family: Chrysler 383-440 c.i. 8 Cylinder (1959-1980)
RPM Operating Range: 3200-7,000
Cam Type: Solid Flat Tappet
Lifter Style: Solid Flat Tappet
Camshaft Series: Xtreme Energy
Camshaft Gear Attachment: 1-Bolt
Usage: Street/Performance
Valve Springs Required: Yes
Camshaft Material: Cast Iron
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration: 290
Advertised Exhaust Duration: 298
Intake Duration at .050 Inch Lift: 252
Exhaust Duration at .050 Inch Lift: 260
Intake Valve Lift: 0.54
Exhaust Valve Lift: 0.558
Lobe Separation: 110
Assembly Lubricant Included: Yes
Valve Timing @ 0.015 Lift:
Exhaust Close ATDC: 35
Exhaust Open BBDC: 83
spec-card-valve-timing
Intake Open BTDC: 39
Intake Close ABDC: 71
Note Description
283-bolt core available. Change first 2 digits of part # to 23.
Component Part Number
Break-In Lube: 159
CL-Kit Upgrade: CL21-233-4
K-Kit Upgrade: K21-233-4
Lifter Kit: 801-16  /   821-16
Rocker Arms: 1071-KIT  /   1621-16
Steel Retainers: 741-16  /   795-16
Timing Set: 2104  /   3104
Valve Locks: 627-16
Valve Seals: 505-16
Valve Springs: 26120-16  /   924-16