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7.4L Bravo (Gen 4) GM 454 V-8 1988-1991 - Serial 0B771113 Thru 0D603117 - Exhaust Manifold and Elbow / Riser (Cast Iron)

Section Drawing: (Hover or click to view larger)

Ref. OEM Part # Hardin # Mallory # GLM # Other # Description Num Req. Superceded From Special Notes
1 807078T10    

700-51245 (Aluminium)
700-51240 (Cast Iron)

654-9011A (Aluminium)
654-9011 (Cast Iron)
MANIFOLD ASSEMBLY 2 89011A8  
2 22-41622
676-9-41205 700-21892
PLUG, (3/4-14) AR 22-33198A1  
3 27-46820 655-153 (Std.)
300-1410 (HP)
676-9-61400 700-33760
GASKET 2   Hardin Gaskets sold as pair, OEM, Mallory sold each!
4 10-37612



SCREW, (.375-16 x 1.250) 8    
4 10-48424



SCREW, (.375-16 x 1.620) 8    
5 27-863724
676-9-61413


GASKET (STANDARD COOLING) 2 27-41813  
6 22-73379

700-22379

PLUG, (.250-18) 4    
7 22-862210A01
676-9-41206 700-13991
ELBOW KIT, Drain 2 22-806926A1  
8 22-806608A02

700-13992

PLUG KIT, (.500-13) Royal Blue, DRAIN 2 22-806608A1  
9 25-32509



O-RING, (.489 x .070) 2    
10 807988A03
676-9-40559

700-51145 (Aluminium)
700-51145 (Cast Iron)

654-4354A (Aluminium)
654-4354 (Cast Iron)
ELBOW ASSEMBLY, Exhaust (7 Degrees) 2 44354A3  
11 22-36382     700-21887   FITTING, (.250-18 x .62) Brass 2    
12 22-865159         FITTING, (45 Degrees) (45 Degrees ) 1 22-92499  
12 22-45084         FITTING, Straight (STRAIGHT) 1    
13 10-43749         SCREW, (.375-16 x 5.750) 6    
13 10-44387         SCREW, (.376-16 x 6.750) 2    
- 93320A13         RISER KIT, Exhaust Elbow (3 In.) 1 93320A3  
- 93322A12         RISER KIT, Exhaust Elbow (6 In.) 1 93322A3  
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