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.332/.325

263/284

239/249

117/812

Increased torque with added RPM power. Must use performance spring kit. For the ultimate power gain we recommend a higher compression piston, exhaust, and intake kit.

N/A

57-061
$

N/A

.350/.345

280

256

450/451

All around performance with added mid and upper end power. Stock springs OK. Designed to work with high compression piston and exhaust. Compression release removed. Hardwelded rockers are highly recommended!

N/A

55-891
$

N/A

.378

274

250

479

Performance profile increases overall power. Designed for use with a racing piston and exhaust. Must use spring kit with shortened valve guides. Compression release removed. Hardwelded rockers highly recommended!

N/A

55-961
$

N/A

.385/.370

310

272/270

463/9i

Special profile designed for racing engines. Must be used with racing springs / shortened guides, high compression piston and exhaust system. Compression release removed. Hardwelded rockers highly recommended!

N/A

55-911
$

N/A

.350/.345

278/275

244/240

450/451

All around performance with added mid and upper end power. Stock springs OK. Designed to work with high compression piston and exhaust. Compression release removed. Hardwelded rockers highly recommended!

N/A

55-891
$

N/A

.378

274

250

479

Performance profile increases overall power. Designed for use with racing piston and exhaust. Must use spring kit with shortened valve guides. Compression release removed. Hardwelded rockers highly recommended!

N/A

55-961
$

N/A

.408/.340

282/298

258/262

208/729+5

Race profile. Works good for TT or Super Motard. Higher compression required. Must use performance spring kit and shortened valve guides.

N/A

57-041
$

N/A

.415/.340

276/288

252/252

493/729

Performance profile to increase mid and upper end power. Higher compression recommended. Must be used with performance spring kit and shortened valve guides.

N/A

55-461
$

N/A

.415/.410

276/276

252/248

493/739

Performance profile designed to increase overall power. Excellent throttle response. Higher compression recommended. Must be used with performance spring kit and shortened valve guides.

N/A

55-441
$

N/A

.355

267

242

235/236

Bolt in cam increases overall power. Excellent torque.

N/A

55-761
$

N/A

.370/.350

280

256

450/451

All around performance with added mid and upper end.

N/A

55-681
$

N/A

.380/.365

280/274

256/248

213/202

Performance cam, increases mid range and top end. Must use valve spring kit with shortened guides. Compression release removed.

N/A

55-771
$

N/A

.378/.365

258/256

240/238

612/291

Increased acceleration and broad power band. Compression release removed.

N/A

55-291
$

N/A

.373

270

248

694

Performance profile designed to increase mid and upper end. Compression release removed.

N/A

55-311
$

N/A

.374/.387

264/272

246/258

120/502

Race profile. Higher compression piston required! Compression release removed.

N/A

55-321
$

N/A

.378/.340

268/260

244/236

536/298

Designed to increase overall power. Must use performance spring kit. Compression release maintained on cam.

N/A

60-651
$

N/A

.350

272

229

101

Larry Roeseler's favorite. Quick acceleration with plenty of mid and top end power.

N/A

60-431
$

N/A

.360

248

226

293

Improves throttle response. Great for trail riding. Works best with racing pistons and exhaust.

N/A

60-421
$

N/A

.352

263

243

55

Excellent mid and top end power. For racing engines only.

N/A

60-411
$

N/A

.332/.338

262.268

243/247

49/192

This profile is designed to increase power and mid range torque. Do not recommend porting. Cost per set.

N/A

80-431
$

N/A

.356

282

261

187+2.5

High RPM profile. Must be used with higher compressin and exhaust. Check all clearances. Cost per set.

N/A

80-441
$

N/A

.360/.338

266/268

244/248

297/192

Torque profile to bolt into a stock engine.

N/A

80-371
$

N/A

.356/.356

277/282

256/260

187/187+5

Race profile designed to increase mid and upper end performance. Spring kit recommended.

N/A

80-361
$

N/A

.360/.338

266/268

244/248

297/192

Torque profile designed to bolt into a stock engine. Excellent throttle response. Hardwelded for extra durability. Profile maintains stock compression release.

N/A

80-511
$

N/A

.356/.356

277/282

256/260

187/187+5

Race profile designed to increase mid and upper end performance. Spring Kit recimmended. Hardwelded for extra durability.

N/A

80-551
$

N/A

.440

274

250

89

Use in stock engines for broad power range.

80-010
$

80-011
$

N/A

.440

284

260

89a

Good all around grind for stock or modified engines.

80-020
$

80-021
$

N/A

.502

292

271

88

Strong mid range and top end power for street and off-road. Use with big bore and valve spring kit.

N/A

80-031
$

N/A

.360

248

226

293

Special intake profile to improve overall performance. Camshafts have a reduced base circle to 1.060.

N/A

N/A

60-852
$

.360/.378

248/268

226/244

293/536

Designed to increase overall performance. High compression recommended. Camshafts have a reduced base circle to 1.060. Check all clearances!

N/A

60-811
$

N/A

.368/.384

260/272

234/248

288/540

Race profile. High compression recommended. Camshafts have a reduced base circle to 1.060. Check all clearances!

N/A

60-821
$

N/A