Xtreme 4X4 218/226 Hydraulic Flat Cam for AMC 199-258/4.0L

Xtreme 4x4™ 218/226 Hydraulic Flat Tappet Cam for AMC 199-258/4.0L. Good mid to upper torque, needs increased compression, headers and gears. (Not for EFI)
SKU
68-239-4
$189.95
Grind Number: X4262H
Engine Family: AMC 199-258 c.i. 4.0L 6 Cylinder (1964-1998)
RPM Operating Range: 1,400-5,700
Cam Type: Hydraulic Flat Tappet
Lifter Style: Hydraulic Flat Tappet
Camshaft Series: Xtreme 4x4
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: 262
Advertised Exhaust Duration: 270
Intake Duration at .050 Inch Lift: 218
Exhaust Duration at .050 Inch Lift: 226
Intake Valve Lift: 0.493
Exhaust Valve Lift: 0.512
Lobe Separation: 111
Assembly Lubricant Included: Yes
Intake Centerline: 107
Lobe Lift Intake: 0.308
Lobe Lift Exhaust: 0.32
Valve Timing @ 0.006 Lift:
Exhaust Close ATDC: 20
Exhaust Open BBDC: 70
spec-card-valve-timing
Intake Open BTDC: 24
Intake Close ABDC: 58
Note Description
97Must use timing set #3219 in 1999 and newer applications
Component Part Number
Break-In Lube: 159
CL-Kit Upgrade: CL68-239-4
K-Kit Upgrade: K68-239-4
Lifter Kit: 822-12
SK-Kit Upgrade: SK68-239-4
Steel Retainers: 744-12
Timing Set: 3219
Valve Locks: 603-12
Valve Seals: 504-12
Valve Springs: 926-12