HYDRAULIC CAMSHAFTS - Crower

Chevrolet
ROLLER CAMSHAFTS (ORIGINAL SERIES)
(Continued)
Mechaninca 1957 - 1998
262 267 283 302 305 307 327 350 400 V8 Small Block
Note: These cams use .026" intake, .028" exhaust valve lash.
Description
(Note: See pages 8-9 for a detailed explanation of each
Performance Level)
ULTRA-ACTION / Performance Level 5 - Mid-range torque and top end oval track
profile. RPM Power Range: 3500 to 7500 / Redline: 8000 plus.
C.I.D.
Group
350
400
Part
Number
00431
Grind Lobe
Center
290R
105°
Advertised
Duration
Intake Exhaust
290°
296°
Duration
@ .050"
Intake Exhaust
258°
262°
Gross Lift
1.5 / 1.5
Intake Exhaust
.626" .626"
ULTRA-ACTION / Performance Level 5 - Fast 3⁄8 and 1⁄2 mile oval track grind.
RPM Power Range: 4000 to 8000 / Redline: 8000 plus.
350
400
00432
294R
105°
294°
302°
260°
268°
.626"
.624"
ULTRA-ACTION / Performance Level 5 - Excellent big cid engine profile. Perfect
for 3⁄8 to 1⁄2 mile oval. RPM Power Range: 4500 to 8000 / Redline: 8000 plus.
350
400
00433
297R
105°
297°
304°
264°
268°
.626"
.626"
ULTRA-ACTION / Performance Level 5 - 1⁄2 mile or longer in big cid engine.
Torque and mid-range for drag. RPM Power Range: 5000 to 8000 /
Redline: 8000 plus.
350
400
00434
299R
105°
299°
308°
262°
272°
.639"
.629"
ULTRA-ACTION / Performance Level 5 - Mid-range and top end drag profile for
small motor. Excellent for big oval track motor. RPM Power Range: 5200 to 8000 /
Redline: 8000 plus.
350
400
00435
305R
105°
305°
310°
268°
272°
.626"
.627"
ULTRA-ACTION / Performance Level 5 - Torque and mid-range power for
drag and oval track racing. RPM Power Range: Varies on valve train, heads,
manifold, etc...
350
400
00436
303R
103°
303°
312°
270°
278°
.633"
.644"
ULTRA-ACTION / Performance Level 5 - Mid-range and top end drag race profile
for 350 cid with automatic transmission. RPM Power Range: Varies on valve train,
heads, manifold, etc...
350
cid
00439
316R
108°
316°
319°
282°
286°
.672"
.687"
ULTRA-ACTION / Performance Level 5 - This cam is drag race only or modifieds
with 4 or 5 speed transmission. RPM Power Range: Varies on valve train, heads,
manifold, etc...
CUSTOM GROUND ROLLER - Special order roller lifter camshaft ground to your
specifications. Call our technical support staff for personalized camshaft assistance.
ACCESSORIES
Description
Part No.
66200-16
66292-16
Pg.146-149
See pg. 136
Pg's.150-165
Pg's.150-165
Pg's.150-165
Pg's.150-165
Pg's.150-165
Pg's.150-165
Pg's.150-165
Pg's.150-165
Pg's.150-165
Standard .842" dia roller lifters. Others available.
Offset .842" dia roller lifters
Pushrods
Hex-A-Just timing gear set (early model block)
Rocker arms (1.5) 7⁄16
Rocker arms (1.6) 7⁄16
Rocker arms (1.65) 7⁄16
Rocker arms (1.7) 7⁄16
Long arm/Backset rocker arms (1.6) 7⁄16
Long arm/Backset rocker arms (1.65) 7⁄16
Long arm/Backset rocker arms (1.7) 7⁄16
Long arm/Backset rocker arms (1.75) 7⁄16
Long arm/Backset rocker arms (1.8) 7⁄16
Long Arm rockers come in 8 only pcs for intake. For exhaust use conventional
Crower stainless, stud mount rocker arm.
WARNING! If running over 7500 rpm with higher rocker ratio you must contact
factory for custom lobe and valve train consideration.
Specify “H” after part number for Hippo Oiling feature on roller lifters.
Ex. 66290X874H-16
Shaft Rockers are available. Refer to the new section under Valve Train.
Note: Rocker arms available in Aluminum & Stainless steel.
350
400
00440
00002
319R
108°
319°
326°
286°
288°
.686"
Refer to page 7 for camshaft
.636"
recommendation form
Engineered Component Kits for the above part #'s are specified
on the previous page, or contact CROWER for more Info.
50
For technical support call 619-661-6477 • Some products listed are not legal for sale or use on emission controlled motor vehicles
• RPM ranges vary upon application • www.crower.com