4.3L CARB ALPHA-BRAVO - 1A063240 and Up - Exhaust Risers

Section Drawing: (Hover or click to view larger)



Ref # Part Class Part Number Description Comments Qty Note
1 0000 OEM: 525-865995A01 RISER EXTENSION KIT 1.7 Inch (Standard Cooling) 1  
1 0000 OEM: 525-865996A01 RISER EXTENSION KIT 1.7 Inch (Closed Cooling) 1  
1 0000 OEM: 525-864929A3 RISER EXTENSION KIT 3.0 Inch (Standard Cooling) 1  
1 0000 OEM: 525-864929A4 RISER EXTENSION KIT 3.0 Inch (Closed Cooling) 1  
2   NSS NOT SOLD SEPARATE 1.7 Inch or 3 Inch Riser   2  
3 0019 OEM: 525-19-864689 PLUG Expansion 1.7 Inch Riser 2  
4 0022 OEM: 525-22-428611, Sierra: 676-18-4265 FITTING Pipe - Brass (.750-14)   2  
5 0027 OEM: 530-864850A02, Sierra: 676-18-0722 GASKET Restrictor   2  
5 0027 OEM: 530-864549A02, Sierra: 676-18-0720 GASKET Block Off   2  
6 0027 OEM: 530-864547A02, Sierra: 676-18-0721 GASKET Full Flow   2  
7 0010 OEM: 525-10-865982071 SCREW (.375-16 x 9.250) 1.7 Inch Riser 8  
7 0010 OEM: 525-10-865982077 SCREW (.375-16 x 10.500) 3 Inch Riser 8  
8 0010 OEM: 525-10-860008, GLM: 700-22375 SCREW (.250-20 x .625) Torx 3 Inch Riser 1  
9 0000 OEM: 525-863714T01, GLM: 700-50017 BRACKET 3 Inch Riser 1  
10 0010 OEM: 525-10-864378 SCREW (.250-20 x .375) Torx 3 Inch Riser 1  
11 0000 OEM: 525-866208A02 RISER EXTENSION KIT 4.7 Inch (Standard Cooling) 1  
11 0000 OEM: 525-866208A03 RISER EXTENSION KIT 4.7 Inch (Closed Cooling) 1  
11 0000 OEM: 525-864908A1 RISER EXTENSION KIT 6.0 Inch (Standard Cooling) 1  
11 0000 OEM: 525-864908A2 RISER EXTENSION KIT 6.0 Inch (Closed Cooling) 1  
12   NSS NOT SOLD SEPARATE 4.7 Inch or 6 Inch Riser   2  
13 0022 OEM: 525-22-428611, Sierra: 676-18-4265 FITTING Pipe - Brass (.750-14)   2  
14 0027 OEM: 530-864850A02, Sierra: 676-18-0722 GASKET Restrictor   2  
14 0027 OEM: 530-864549A02, Sierra: 676-18-0720 GASKET Block Off   2  
15 0027 OEM: 530-864547A02, Sierra: 676-18-0721 GASKET Full Flow   2  
16 0010 OEM: 525-10-865982005 SCREW (.375-16 x 1.00) 6 Inch Riser 8  
17 0010 OEM: 525-10-865982092 SCREW (.375-16 x 12.380) 4.7 Inch Riser 8  
17 0010 OEM: 525-10-865982057 SCREW (.375-16 x 7.50) 6 Inch - Not included in Riser Kit OPT  
18 0010 OEM: 525-10-860008, GLM: 700-22375 SCREW (.250-20 x .625) Torx   6  
19 0000 OEM: 525-863715T01, GLM: 700-50018 BRACKET   2  
20 0010 OEM: 525-10-864378 SCREW (.250-20 x .375) Torx   1