Here is a listing of the most common items in a BLP or Holley race carburetor application.
5552 |
Fuel Bowl Screw |
|
|
12-24 |
0.173 |
5567 |
Base to Main body Screw |
|
|
12-24 |
0.173 |
5854 |
Squirter Screw |
|
|
12-28 |
0.173 |
51244-BX |
Squirter Screw |
|
|
12-28 |
0.173 |
|
Air Cleaner Stud (Small) |
|
|
1/4-20 |
0.201 |
|
Air Cleaner Stud (Large) |
|
|
5/16-18 |
0.257 |
5500 |
Air Correctors |
|
|
10-32 |
0.161 |
|
NOS Mount Holes |
|
|
8-32 |
0.136 |
4650-5550BX |
Holley & R-Series Main Jets |
|
|
1/4-32 |
0.218 |
5551BX |
Holley & H-Series Main Jets |
|
|
5/16-32 |
0.281 |
5560BX |
BLP L-Series Jets |
|
|
350-32 |
|
25591 |
Power Valve |
|
|
1/2-28 |
0.468 |
1540 |
Mixture Screws |
|
|
8-32 |
0.136 |
18136 |
Needle & Seat |
|
|
3/8-32 |
0.343 |
5369-5370 |
Acc Pump Cover Screws |
|
|
8-32 |
0.136 |
43151 |
Fuel Inlet |
|
|
7/8-20 |
0.828 |
51271 |
Idle speed screw |
|
|
10-32 |
0.161 |
|
Throttle Stop Bracket |
|
|
10-24 |
0.149 |
56351 |
Throttle Plate Screw |
|
|
8-32 |
0.136 |
63822 |
Sec Cam Bracket |
|
|
10-32 |
0.161 |
5540-6/32 |
Emulsion Bleeds BLP Blocks |
|
|
6-32 |
|
5540-4/40 |
Kill Bleed |
|
|
4-40 |
|
5540-8/32 |
Power Valve Restriction |
|
|
8-32 |
|
|
|
|
|
|
|
5552 |
Fuel Bowl Screw |
|
|
12-24 |
0.173 |
5567 |
Base to Main body Screw |
|
|
12-24 |
0.173 |
5854 |
Squirter Screw |
|
|
12-28 |
0.173 |
51244-BX |
Squirter Screw |
|
|
12-28 |
0.173 |
|
Air Cleaner Stud (Small) |
|
|
1/4-20 |
0.201 |
|
Air Cleaner Stud (Large) |
|
|
5/16-18 |
0.257 |
5500 |
Air Correctors |
|
|
10-32 |
0.161 |
|
NOS Mount Holes |
|
|
8-32 |
0.136 |
4650-5550BX |
Holley & R-Series Main Jets |
|
|
1/4-32 |
0.218 |
5551BX |
Holley & H-Series Main Jets |
|
|
5/16-32 |
0.281 |
5560BX |
BLP L-Series Jets |
|
|
350-32 |
|
25591 |
Power Valve |
|
|
1/2-28 |
0.468 |
1540 |
Mixture Screws |
|
|
8-32 |
0.136 |
18136 |
Needle & Seat |
|
|
3/8-32 |
0.343 |
5369-5370 |
Acc Pump Cover Screws |
|
|
8-32 |
0.136 |
43151 |
Fuel Inlet |
|
|
7/8-20 |
0.828 |
51271 |
Idle speed screw |
|
|
10-32 |
0.161 |
|
Throttle Stop Bracket |
|
|
10-24 |
0.149 |
56351 |
Throttle Plate Screw |
|
|
8-32 |
0.136 |
63822 |
Sec Cam Bracket |
|
|
10-32 |
0.161 |
5540-6/32 |
Emulsion Bleeds BLP Blocks |
|
|
6-32 |
|
5540-4/40 |
Kill Bleed |
|
|
4-40 |
|
5540-8/32 |
Power Valve Restriction |
|
|
8-32 |
|
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