Page 175 - 2018 Master Catalog

DURATION VALVE LIFT
FORD 5.0L 8 CYL. 1985-2002 RPM OPERATING ADVERTISED @ .050” W/1.7 ROCKER LOBE
PART NO. DESCRIPTION RANGE CAM GRIND # IN. EX. IN. EX. IN. EX. SEP. ANGLE
MAGNUM Hydraulic Roller Camshafts (CARBURETOR ONLY)
35-420-8 Mild street performance. Slight lope at idle. Stock converter ok but best with 1800+ stall. Needs 1800 to 5000 270HR 270 270 215 215 .533 .533 110°
lower gears.
35-440-8 Great in street machines. Best power above 3500 RPM but still good torque. Mild rough idle. Largest 2000 to 5500 281HR 281 281 220 220 .512 .512 110°
for stock heads and intake. 2000+ stall recommended.
XTREME ENERGY™ Computer Controlled Hydraulic Roller Camshafts (FOR EFI)
35-349-8 Mild street performance, good upgrade for stock cam. Works with O.B.D.1 1500 to 5500 XE264HR 264 270 212 218 .512 .512 114°
35-518-8 2500+ stall, 3.55-3.73 gears, better heads, intake and fuel system. 2200 to 6200 XE274HR 274 282 224 232 .555 .565 112°

DURATION VALVE LIFT
FORD 4.6L & 5.4L SOHC MODULAR 2 VALVE 8 CYL. ‘91-PRES. RPM OPERATING ADVERTISED @ .050” W/1.7 ROCKER LOBE
PART NO. DESCRIPTION RANGE CAM GRIND # IN. EX. IN. EX. IN. EX. SEP. ANGLE
XTREME ENERGY™ Hydraulic Roller Finger Follower Camshafts
102600 Hot street cam, needs higher gear ratio. 2000+ stall. Intake, exhaust, computer upgrade recom- 1800 to 5800 XE270AH 270 274 234 238 .550 .550 113°
mended. Noticeable idle. Requires custom tuning.
102700 Street/strip, needs higher gear ratio, 2400+ stall. Intake, exhaust, requires custom tuning. Rough idle. 2200 to 6200 XE278AH 278 282 242 246 .550 .550 113°
XTREME ENERGY™ Blower Hydraulic Roller Finger Follow or Camshafts
102560 Good torque with powerful mid-range when using a blower. Requires custom tuning. 1600 to 5600 XE262BH-16 262 266 226 230 .550 .550 116°
DURATION VALVE LIFT
FORD 4.6L & 5.4L SOHC MODULAR 3 VALVE 8 CYL. ‘04-PRES. RPM OPERATING ADVERTISED @ .050” W/1.7 ROCKER LOBE
PART NO. DESCRIPTION RANGE CAM GRIND # IN. EX. IN. EX. IN. EX. SEP. ANGLE
THUMPR™ NSR (NO SPRINGS REQUIRED) Hydraulic Roller Finger Gollower Camshafts
Mutha’ Thumpr™ - Very rough idle, biggest cam for stock heads. Great power above 4900 RPM.
127020 750 to 6600 MT273LL-9 273 306 234 254 .450 .450 109°
Compatible w/ stock valve springs, requires phaser upgrade and custom tuning.

DURATION VALVE LIFT
DODGE 5.7L & 6.1L HEMI 2003-PRESENT RPM OPERATING ADVERTISED @ .050” W/1.7 ROCKER LOBE
PART NO. DESCRIPTION RANGE CAM GRIND # IN. EX. IN. EX. IN. EX. SEP. ANGLE
XTREME FUEL INJECTION (XFI™) Hydraulic Roller Camshafts
112-501-11 Noticeable idle, moderate tuning modifications, strong mid-range. Needs programmer. 1500 to 5800 268H-13 268 272 216 220 .528 .531 113°
DURATION VALVE LIFT
CHRYSLER 273-360 C.I. 8 CYL. 1964-2002 RPM OPERATING ADVERTISED @ .050” W/1.7 ROCKER LOBE
PART NO. DESCRIPTION RANGE CAM GRIND # IN. EX. IN. EX. IN. EX. SEP. ANGLE
HIGH ENERGY™ Hydraulic Flat Tappet Camshafts
Replacement for HP 340 and 360 4BBL motors. Noticeable idle in 318. Works with 3.23-3.55 gear,
20-212-2 1500 to 5500 268H 268 268 218 218 .454 .454 110°
dual exhaust and 9:1 compression
XTREME ENERGY™ Hydraulic Flat Tappet Camshafts
20-223-3 Great for street machines, largest cam for stock converter, 273-318 works best with 2000 stall. 1600 to 5800 XE268H 268 280 224 230 .477 .480 110°
THUMPR™ Hydraulic Flat Tappet Camshafts
20-600-4 Thumpr™ - High performance street, stock converter ok, best with 2000+ converter and gears. 2000 to 5800 279TH7 279 296 227 241 .486 .473 107°
Choppy/thumping idle.
DURATION VALVE LIFT
CHRYSLER 383-440 C.I. 8 CYL. 1959-1980 RPM OPERATING ADVERTISED @ .050” W/1.7 ROCKER LOBE
PART NO. DESCRIPTION RANGE CAM GRIND # IN. EX. IN. EX. IN. EX. SEP. ANGLE
NOSTALGIA PLUS™ Hydraulic Flat Tappet Camshafts
21-671-4 Strong mid-range w/ a lopey idle, 2800+ stall w/ 9.5:1 compression, replaces the popular 484 cam. 2300 to 6300 PP284H 284 291 239 246 .484 .484 108°
21-672-4 Strong bracket/street cam. 10:1 compression. 3500+ stall. Excellent replacement for the “509” cam. 3000 to 6500 PP292H 292 299 247 254 .509 .509 108°
XTREME ENERGY™ Hydraulic Flat Tappet Camshafts
21-223-4 Great for street machines, slightly rough idle works with stock converter but best with 1800+ stall. 1600 to 5800 XE268H 268 280 224 230 .477 .480 110°

DURATION VALVE LIFT
OLDSMOBILE 260-455 C.I. 8 CYL. 1967-1990 RPM OPERATING ADVERTISED @ .050” W/1.7 ROCKER LOBE
PART NO. DESCRIPTION RANGE CAM GRIND # IN. EX. IN. EX. IN. EX. SEP. ANGLE
HIGH ENERGY™ Hydraulic Flat Tappet Camshafts
42-229-4 Performance camshaft for mild street machines. Broad power, noticeable idle. 1500 to 5500 268H 268 268 218 218 .456 .456 110°

DURATION VALVE LIFT
PONTIAC 265-455 C.I. 8 CYL. 1955-1981 RPM OPERATING ADVERTISED @ .050” W/1.7 ROCKER LOBE
PART NO. DESCRIPTION RANGE CAM GRIND # IN. EX. IN. EX. IN. EX. SEP. ANGLE
XTREME ENERGY™ Hydraulic Flat Tappet Camshafts
51-221-4 Strong torque through low end and mid-range, good idle. 1000 to 5200 XE256H 256 268 212 218 .447 .455 110°
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