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MECHANICAL ROLLER TAPPET<br />
GM LS1/LS2/LS6/LS7/LSX 4.8L, 5.3L, 5.7L, 6.0L V8<br />
1997 - Present<br />
Description<br />
(Note: See pages 1-2 for a detailed<br />
explanation of each Performance Level)<br />
Performance Level 2<br />
Hot-street performance aplications.<br />
RPM Power Range: 3500 to 7500<br />
Part<br />
Number<br />
00532<br />
Grind<br />
CHEVROLET<br />
Lobe<br />
Center<br />
114°<br />
Advertised<br />
Duration<br />
Intake Exhaust<br />
279°<br />
285°<br />
All New Profiles<br />
Duration<br />
@ .050"<br />
Intake Exhaust<br />
251°<br />
254°<br />
Gross Lift<br />
1.7 / 1.7<br />
Intake Exhaust<br />
.644"<br />
.644"<br />
Suitable<br />
Component<br />
Kit<br />
84402<br />
Performance Level 3<br />
High revving, super mid to top end power.<br />
RPM Power Range: 4000 to 8000<br />
00533<br />
114°<br />
282°<br />
294°<br />
260°<br />
263°<br />
.643"<br />
.641"<br />
84402<br />
Performance Level 4<br />
Super competition profile.<br />
RPM Power Range: 4500 to 8500<br />
00534<br />
114°<br />
301°<br />
303°<br />
269°<br />
272°<br />
.646"<br />
.646"<br />
84402<br />
CUSTOM GROUND ROLLER<br />
Special order roller lifter camshaft ground to your specifications and lobe center. Call our technical support staff for<br />
personalized camshaft assistance.<br />
00053R<br />
Refer to www.crower.com for camshaft<br />
recommendation<br />
ENGINEERED COMPONENT KITS<br />
Part No. Springs Retainers Keepers Seals Spring Disc<br />
84402 68432-16 87007 -16 86114-16 86080-16 68947-16<br />
Spring pressure:<br />
68432-16 Seat: 1.800" @ 250 lbs / Nose: 1.050" @ 860 lbs / Coil bind: 0.985".<br />
Valve timing events are available online at: www.crower.com<br />
Stainless Steel<br />
Shaft Rockers<br />
Description<br />
Part No.<br />
74101F<br />
74105F<br />
74107F<br />
LS1, LS2, LS6<br />
LS3, L92<br />
LS7 machine work is required<br />
Shaft Rockers available for most<br />
aftermarket heads.<br />
Lifters<br />
Part No.<br />
66278-16<br />
66278H-16<br />
66278E-16<br />
Description<br />
Solid Roller Lifters<br />
Solid Roller Lifters with HIPPO oiling<br />
Solid Roller Lifters with Enduramax needleless<br />
roller bearing<br />
Note: These cams use .018" intake, .020" exhaust valve lash.<br />
GM LS3/LSA/LS9<br />
AVAILABLE<br />
For technical support call 619-661-6477 or visit www.crower.com<br />
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