California obsolete engine parts logo, Caoep logo
Casting # Interchange | Datsun & Nissan L Series | Ford 4.0 & 2.3 | Ford 300 | Ford 460 Truck | Ford 460 | GM 250 | Saturn 1.9 | Toyota
GM 4.3 HEAD CHART
4.3L GM PASSENGER + TRUCK, C.I. V/6 - CASTING # ON TOP
CAST # STUDS F.I. INT. EYEBROWS CHAMBER SHAPE VALVE SIZE SENSORS PART #
258, 268, 245 PRESS NO BARN 11/32 1 WET CF2434
039, 553            
768, 683, 248 PRESS NO  BARN 11/32 1 WET CF2435
          2 ACESS. BOLTS (2BOLT)
067, 050, 006 SCREW NO  BARN  11/32 2 WET CF2439-1
996            
067 SCREW NO  BARN  11/32 1 WET, 1 DRY  
066       3/8 EX.   CF2439-5
064, 066, 103 PRESS YES BARN 11/32 1 WET, 1 DRY CF2436-1
064, 066, 626 SCREW YES BARN 11/32 1 WET, 1 DRY CF2439-6
064, 067, 103 PRESS NO BARN 11/32 1 WET, 1 DRY CF2436
          OR 1 WET  
064, 067, 103 SCREW NO  BARN 11/32 1 WET, 1 DRY CF2437
          OR 1 WET  
064, 103, 209 SCREW YES BARN 11/32 2 WET CF2431
181         OR 1 DRY  
064, 103, 209 PRESS YES BARN 11/32 2 WET CF2430
181         OR 1 DRY  
115 PRESS NO  BARN 11/32 INT. 1 WET CF2439-7
        3/8 EX.     
115 SCREW NO BARN 11/32 INT. 1 WET CF2439-2
        3/8 EX.    
070 SCREW NO BARN 11/32 INT. 1 WET, 2 WET CF2439-3
        3/8 EX. OR 1 WET, 1 DRY  
209 SCREW NO BARN     CF2439-4
140, 772, 107 SCREW NO VORTEC HEART 11/32 1 OR 2 WET CF2438
113, 114 10MMX1.5 NO VORTEC HEART 11/32 1 WET
  SCREW   NON ROLLER R/A      
113,114 BDR NO VORTEC HEART 11/32 1 WET CF2439
  8MMX125   ROLLER R/A      
114,113 BDR NO VORTEC HEART 11/32 1 WET CF2439
  8MMX125          
NOTES:
PRESS IN STUDS HAVE ADJ. R/A W/STD THREADS 3/8 24, RAIL STYLE R/A (R973 S/P)
NON-VORTEC ENGS. SCREW IN STUDS HAVE NON-ADJ. R/A W/METRIC THREADS, 8MM X 125 
TOP, 10MM X 150 BOTTOM (R1121 S/P)
ISUZU 1.9/2.0 HEAD CHART
G180 & G200Z ISUZU & GM HEAD CHART, P.U., I-MARK, TROOPER, IMPULSE, S10, S15
G180 ENGINE
YEAR CASTING # FUEL SYSTEM SMOG INT. VALVE PART #  
76-85 NONE CARB. W/MANUAL F/P NO 1.588 CF2183-1
76-85 NONE CARB. W/ELECTRIC F/P NO 1.588 CF2183-2  
76-85 NONE CARB. W/ELECTRIC F/P 4 HOLES 1.588 CF2183
G200Z ENGINE
82-87 #G200 CARB. W/MANUAL F/P NO 1.588 CF2191  
82-87 #G200 CARB. W/ELECTRIC F/P NO 1.588 CF2191-1
82-87 #G200 CARB. W/MANUAL F/P 4 HOLES 1.588 CF2197  
82-87 NONE IMPULSE F.I. W/ELECTRIC F/P & SMALL COMBUSTION CMBR 4 HOLES 1.673 CF2194
             
NOTES:
CF2183 CAN BE MADE INTO CF2197 BY DRILLING F/P HOLE.
THERE ARE SEVERAL DIFFERENT WATER OUTLET NECKS ON THE FRONT OF THESE HEADS. THEY 
CAN BE CHANGED TO SUIT THE APPLICATION. RECOMMEND USE OF LOCTITE WHEN CHANGING.