Crane Hi Roller ® Series   Fits 1984-Up Evolution® "Big-Twin®

With our multi-index cam gears you have the versatility of three cam timing settings with one camshaft. One position gives 4º advance to original cam timing and another position is 4º retarded to the original timing. Overall, an 8º timing range is available with the HI-Roller Crane camshafts for your “Big Twin®”.

Crane HI-Roller ® Series Duration .053"
Open/Close
Intake Exhaust
Gross Valve Lift @TDC
1.65:1 Rocker Ratio
Intake Exhaust

Hydraulic - Performance Cam

240 248
17/43 45/23
.581” .581”
.166"  .192"
Designed for stock cubic inch Evo’s® that have increased compression and/or performance head work. Must have the heads clearanced for .581” lift. Will produce strong low and mid range power with appropriate intake, heads and exhaust. Up to 88 cu. in. Basic RPM depends on the combination, approximately 1800-5800 RPM.
83214 1-1004 Hi-Roller H290-2
 

Hydraulic - Bolt-In

242 252
19/43 48/24
.490” .490”
.176" .203"
Designed for speed or touring. Works well with engine modifications. Can be used with stock compression for touring. Works best with 9.5:1 compression ratio. Does not require valve spring change. Early Evo’s® that do not have notched pistons must be checked for valve to piston clearance. Range 2000-5800
8320 1-1000 Hi-Roller H286-2B
 

Hydraulic - Performance Cam

252 262
23/49 56/26
.490” .500”
.198" .206"
Mid range and upper RPM improvement. Works best with 10:1 compression ratio and performance carb and exhaust. Excellent for modified touring bikes. May require valve spring change. Check all clearances. Range 2500-6000
8320 1-1001 Hi-Roller H296-2
 

Hydraulic - Performance Cam

254 260
24/50 55/25
.600” .600”
.205" .203"
Designed for higher compression and/or increased cubic inch Evo’s® that have performance heads. Clearancing and valve spring change required for .600” lift.. Will produce strong mid range power in a stock cubic inch bike or a broad range in larger cubic inch bikes. Basic RPM depends on the combination, approximately 2500-6200 RPM.
8320 1-1005 Hi-Roller H304-2
 

Hydraulic - Performance Cam

260 266
26/54 65/21
.600” .600”
.216"  .181"
Street-strip type performance for large cubic inch bikes with performance heads. Produces broad power range. Clearancing and valve spring change required for .600” lift. Range 2800-6500
8320 1-1006 Hi-Roller H314-2
 

Hydraulic - Performance Cam

262 272
28/54 69/23
.500” .500”
.216" .195"
Mid range and upper RPM power. Works best with 10.5:1 compression ratio. Can be used with stock heads. Clearancing and valve spring change required. Excellent stroker cam. Range 2800-6500
8320 1-1002 Hi-Roller H306-2
 

Hydraulic - Performance Cam

 

266 276
23/63 68/28
.550” .550”
.202" .229"
Designed for larger cubic inch and increased compression ratios. Street-strip type performance. 88 cubic inch, 10.5:1 compression ratio and up. Heads must be clearanced and have performance valve springs installed.  Basic RPM depends on the combination, approximately 3000-6500 RPM.
8320 1-1003 Hi-Roller H310-2
 
 
   

Crane Fireball® Series   Fits 1984-Up Evolution® "Big-Twin®

If you do not need the versatility of a Hi-Roller Series cam, then the FireBall® Series should be your choice.

The FireBall® Series cams are computer designed camshafts. They are manufactured to the industry’s highest quality standards, and are available in various grinds. Most can be used with stock valve springs, in stock or modified engines. Best of all they are very competitive in price, and are backed by a one year limited warranty.

Crane Fireball® Series Duration .053"
Open/Close
Intake Exhaust
Gross Valve Lift @TDC
1.65:1 Rocker Ratio
Intake Exhaust

Hydraulic - Bolt - In

226   236 
12/34   41/15
.490” .490”
.146"  .157"
Designed for broad power range improvement. Good choice for heavy bikes with heavy load. Increases low and mid range performance. Works well with stock compression ratio and stock exhaust. No valve spring change required. Idle-5000 
83200 1-1100 FireBall® 300-2B
83201 1-1100LG *No Gear
 

Hydraulic - Bolt - In

236   242 19/37  46/16 .490” .490”
.184"   .162"
Street performance for heavier bikes that are slightly modified. Can be used with stock compression or increased up to 9.5:1. Complements exhaust and intake modifications. No valve spring change required. Idle-5000 
83202 1-1103 FireBall® 310-2
83203 1-1103LG *No Gear
 

Hydraulic - Bolt - In

242  252
19/43  48/24
490”  .490”
.176"  .203"
Hydraulic Bolt-In. Designed for speed or touring. Works well with engine modifications. Works best with 9.5:1 compression ratio. Can be used with stock compression in lighter bikes. Early Evo’s® that do not have notched pistons must be checked for valve to piston clearance.1800-5800 
83204 1-1101 FireBall® 316-2B
83205 1-1101LG *No Gear
 

Hydraulic - Performance Cam

252    262
23/49   56/26
.490” .500”
.200"  .206"
Hydraulic Performance cam. Mid range and upper RPM improvement Works best with 10:1 compression ratio. Works well with performance carb and exhaust. Excellent for modified touring bikes. May require valve spring change. Check all clearances. Range 2000-6000
83206 1-1102 FireBall® 326-2
83207 1-1102LG *No Gear
*Camshaft indicated by LG do not come with gear.  You may accurately install your own gear by using the alignment pin kit included with the camshaft.  Crane offers custom grind camshafts to suit your specific requests.