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Super Team

AJR-Racing Blaine-Johnson

Chrysler Hemi Stage II Muscle Heads

 AJPE Stage 2 Muscle Heads

 

The choice of top Blown Alcohol Engine Builders & Tuners like Al Billes, Darren Mayer, & Jeff Fowler

 

Features Include: 

  • 97cc Chamber volume.
  • Intake ports = Pro-Mod = 364cc, TAD & TAFC = 383cc,  = 237cc.
  • Exhaust ports = 199cc
  • 50° Valve Seat angles for increased airflow.
  • "Tubeless” Intake port design: no pushrod tubes to leak or fail.
  • Deck O-rings: One piece stainless “hoops” No wires to fail or fall out
  • Supplied completely finished: ready to assemble right out of the box.
  • Compatible with existing Fat Head intake manifolds, headers, valve covers, ect.
  • Rockers: AJPE Muscle heads are compatible with T&D, Manton + Reid rockers & some existing Fat Head rockers.
  • Bare cylinder head weight = 34 lbs.
  • Fit Standard and -.500 short deck blocks with 2.00” and 2.600"  lifter spread
  • High Strength, Made in the USA 6061-T651 Aluminum Billet material.
  • 100% CNC Ported: for AJPE accuracy, performance & consistency.

                                                                                                   

 

.900

.800

.700

.600

.500

.400

.300

.200

Pro-Mod 2.400 Intake Valve #03  50° seat

364cc port volume

 
 527
  
512
 
497
 
479
 
428
 
354
 
268
 
171

Pro-Mod 2.400 Intake Valve #03A "Big Port" 50°seat

380cc port volume

 
 
  512
 
 
  493
  
 
  470
  
 
  449
 
 
410
  
 
  347
  
 
  266
 
 
  159

TAD & TAFC 2.450 Intake Valve #03 50° seat

383cc port volume

 
537
 
 
518
 
 
496
 
 
472
 
 
428
 
 
353
 
 
270
 
 
170
 

TAD & TAFC 2.450 Valve #04 "Big Throat" 50° seat

387cc port volume

 
511
 
 
500
 
 
493
 
 
472
 
 
422
 
 
350
 
 
267
 
 
167
 

Pro-Mod (Roots) 2.400 Intake Valve #03AXSL "Spread Lifter" 50° seat 388cc port volume

 
496
 
 
481
 
 
467
 
 
452
 
 
416
 
 
349
 
 
267
 
 
162
 

Pro-Mod (Turbo) 2.450 Intake Valve #04XSL "Spread Lifter

55° seat 390cc port volume

 
536
 
 
523
 
 
512
 
 
481
 
 
429
 
 
349
 
 
255
 
 
152
 

Stage 2 Exhaust port

50° Seat angle & 1.900 Valve

 
448
 
 
442
 
 
434
 
 
418
 
 
392
 
 
309
 
 
236
 
 
144
 

Stage 2 Exhaust port

55° Seat angle & 1.900 Valve

 
440
 
 
437
 
 
424
 
 
403
 
 
371
 
 
301
 
 
228
 
 
136
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

All flow tests performed on Super Flow 1020 @ 28”, Exhaust flowed w/ 2.500” Pipe

 

01A-120-01-PM     Chrysler Hemi Stg II Pro Modified Muscle Heads, Bare. Program #01: 2.400” x 1.900” diameter valves. 97cc Chambers, Iron valve seats, .025" Jr Hoops, All 9/16 head stud inserts, Fit Standard & -.500 short deck, Use with AJPE Hemi blocks with 2.00" Lifter Spread. (pair)

01A-120-03A-PM     Chrysler Hemi Stg II Pro Modified "Big Port" Muscle Heads, Bare. Program #03A: 2.400” x 1.900” diameter valves. 97cc Chambers, Iron valve seats, .025" Jr Hoops, All 9/16 head stud inserts, Fit Standard & -.500 short deck, Use with AJPE Hemi blocks with 2.00" Lifter Spread. (pair)

01A-120-03-TAD     Chrysler Hemi Stg II TAD/TAFC Muscle Heads, Bare. Program #03: 2.450” x 1.900” diameter valves. 97cc Chambers, Iron valve seats, .025" Jr Hoops, All 9/16 head stud inserts, Fit Standard & -.500 short deck, Use with AJPE Hemi blocks with 2.00" Lifter Spread. (pair)

01A-120-03AXSL-PM-C     Chrysler Hemi Stg II Pro Modified (Roots) "Spread Lifter" Muscle Heads, Bare. Program #03AXSL: 2.400” x 1.900” diameter valves, 55° Intake & Exhaust seats, 97cc Chambers, Copper valve seats, .025" Jr Hoops, All 9/16 head stud inserts, Fit Standard & -.500 short deck, Must use with AJPE Hemi blocks with 2.600" Lifter Spread. (pair)

01A-120-04-PM-C     Chrysler Hemi Stg II TAD/TAFC Muscle Heads, Bare. Program #03: 2.450” x 1.900” diameter valves. 97cc Chambers, Copper valve seats, .025" Jr Hoops, All 9/16 head stud inserts, Fit Standard & -.500 short deck, Use with AJPE Hemi blocks with 2.00" Lifter Spread. (pair)

01A-120-04XSL-PM-C     Chrysler Hemi Stg II Pro Modified (Turbo) "Spread Lifter" Muscle Heads, Bare. Program #04XSL: 2.450” x 1.900” diameter valves, 55° Intake & Exhaust seats, 97cc Chambers, Copper valve seats, .025" Jr Hoops, All 9/16 head stud inserts, Fit Standard & -.500 short deck, Must use with AJPE Hemi blocks with 2.600" Lifter Spread. (pair)