GM ECOTEC 2.0L & 2.2L 4 CYL.
HYDRAULIC ROLLER-Street applications,
rev range 2600 to 6800
113200 cast core
XE252HR-11 252 256 210 212 .423 .419 111°
wide power range, strong torque, works best
with programmer or computer modifications.
HYDRAULIC ROLLER-Street/strip applications,
rev range 3000 to 7500
XE258HR-11 258 262 216 218 .440 .436 111°
requires programmer or computer modifications
113300 cast core /113350 (steel core)
HYDRAULIC ROLLER-Street/strip high rpm applications,
rev range 3500 to 8000
XE264HR-13 264 268 222 224 .456 .453 113°
requires computer modifications
113400 cast core /113450 (steel core)
very strong power over 5000 rpm.
steel core would be a better material dunno..