Brand

• Crown Automotive
• Edelbrock

Engine Make/Size

• AMC 199-258
• AMC 290-401
• Chevy 262
• Chevy 305-350 (Centerbolt)
• Chevy 348-409
• Chevy 454
• Chevy Big Block Mark IV
• Chevy Gen VI 454
• Chevy LT1
• Chevy Small Block (262-400)
• Chevy Small Block LS1
• Ford 289-302
• Ford 351W
• Ford 5.0L/302
• Mopar 273-360
• Mopar 383-440
• Mopar 426 Hemi

Exh. Duration @ .050 in. (Deg)

• OEM
• 214
• 218
• 220
• 222
• 224
• 234
• 237
• 238
• 240
• 242
• 243
• 245
• 256
• 266
• 296
• 308

Exh. Duration Advertised (Deg)

• 238
• 244
• 276
• 281
• 282
• 286
• 290
• 294
• 296
• 300
• 302
• 308
• 314
• 315
• 322
• 329
• N/A
• OEM

Exhaust Valve Lift

• OEM
• 0.479 in.
• 0.488 in.
• 0.498 in.
• 0.510 in.
• 0.520 in.
• 0.525 in.
• 0.540 in.
• 0.541 in.
• 0.545 in.
• 0.548 in.
• 0.580 in.
• 0.582 in.
• 0.594 in.
• 0.608 in.
• 0.628 in.
• 0.631 in.
• 0.639 in.
• 0.643 in.

Intake Duration @ 0.050 in.

• 207 Degree
• 210 Degree
• 212 Degree
• 218 Degree
• 220 Degree
• 227 Degree
• 230 Degree
• 234 Degree
• 235 Degree
• 236 Degree
• 242 Degree
• 248 Degree
• 262 Degree
• 292 Degree
• 300 Degree
• OEM

Intake Duration Advertised

• 230
• 235
• 254
• 272
• 280
• 282
• 286
• 292
• 296
• 298
• 299
• 300
• 305
• 308
• 314
• 335
• N/A
• OEM

Intake Valve Lift

• 0.510 in.
• 0.520 in.
• 0.540 in.
• 0.462 in.
• 0.498 in.
• 0.525 in.
• 0.539 in.
• 0.544 in.
• 0.573 in.
• 0.594 in.
• 0.616 in.
• 0.625 in.
• 0.628 in.
• 0.629 in.
• 0.631 in.
• OEM in.

Lifter Type

• Hydraulic Roller
• Hydraulic Roller Retrofit
• OEM

RPM Range

• Custom
• OEM
• 1000-7000
• 1300-6500
• 1500-5500
• 1500-6500
• 2500-6200

Usage

• OEM
• Street/Performance
• Street/Strip
• Strip