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Please choose from the exhaust manifolds below:
$196.67

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Exhaust Manifold (For GM 366/427 1978-90 LH) - EMG172
GM 366, 427 (1978-1990); LH; OE #14045181. (Left) w/or w/o A.I.R. holes in top of ports, Fits 6.0L/366 (V8 1983-90 Forward Control Cab, Medium Duty); 6.0L/366 (V8 1983-90 Forward Control Cab, Medium Duty); 6.0L/366 (V8 1991-00 Forward Control Cab, Medium Duty); 6.0L/366 (V8 1991-00 Forward Control Cab, Medium Duty)
$196.67

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Exhaust Manifold (For GM 366/427 1978-90 RH) - EMG171
GM 366, 427 (1978-1990); RH; OE #14045182. (Right) w/or w/o A.I.R. holes in top of ports, Fits 6.0L/366 (V8 1983-90 Forward Control Cab, Medium Duty); 6.0L/366 (V8 1991-00 Forward Control Cab, Medium Duty); 6.0L/366 (V8 1991-00 Forward Control Cab, Medium Duty); 6.0L/366 (V8 1978-90 Medium Duty Truck (incl. School Buses))
$191.43

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Exhaust Manifold (For GM 366/427 1991-00 LH) - EMG173
GM 366, 427 (1991-2000); LH; OE #10085605, 12551385. (Left), Fits 6.0L/366 (V8 1991-00 Forward Control Cab, Medium Duty); 6.0L/366 (V8 1991-00 Forward Control Cab, Medium Duty); 6.0L/366 (V8 1978-90 Medium Duty Truck (incl. School Buses)); 6.0L/366 (V8 1978-90 Medium Duty Truck (incl. School Buses)); 6.0L/366 (V8 1991-00 Medium Duty Truck, Kodiak, Topkick (incl. School Buses)); 6.0L/366 (V8 1991-00 Medium Duty Truck, Kodiak, Topkick (incl. School Buse...
$198.57

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Exhaust Manifold (For GM 366/427 1991-00 RH) - EMG174
GM 366, 427 (1991-2000); RH; OE #10089288, 12551387. (Right), Fits 6.0L/366 (V8 1991-00 Forward Control Cab, Medium Duty); 6.0L/366 (V8 1978-90 Medium Duty Truck (incl. School Buses)); 6.0L/366 (V8 1978-90 Medium Duty Truck (incl. School Buses)); 6.0L/366 (V8 1991-00 Medium Duty Truck, Kodiak, Topkick (incl. School Buses)); 6.0L/366 (V8 1991-00 Medium Duty Truck, Kodiak, Topkick (incl. School Buses)); 6.0L/366 (V8 1997-00 Tilt Cab Trucks Medium Duty)
$100.00

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Exhaust Manifold (For GM 396/402/427/454 1966-87 RH) - EMG164
GM 396, 402, 427, 454 (1966-1987); With A.I.R. Plugs, RH; OE #10045732; Hol. #602AR/BR. (Right) w/or w/o A.I.R. in top of ports, Fits Chevrolet Pass. Cars - 6.6L/396-402 (V8 1966-72 Chevelle, El Camino, Full Size Sedan/Wagon, Monte Carlo, Nova, Sprint, Camaro(1967-72)); 6.6L/400SB (V8 1971-75 Chevelle,El Camino,Full Size Sedan/Wagon, Monte Carlo, Sprint); 6.6L/400SB (V8 1971-76 Chevelle,El Camino,Full Size Sedan/Wagon, Monte Carlo, Sprint); GM Trucks - 6.6L/400SB (...
$97.14

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Exhaust Manifold (For GM 402/454 1970-91 LH) - EMG168
GM 402, 454 (1970-1991); With A.I.R. Plugs, LH; OE #343787, 12551444; Hol. #774AL/BL, 1364L. (Left)w/or w/o A.I.R. & oxy. sensor hole provisions, Fits 6.5L/396-402 (V8 1970-72 Blazer, Jimmy, Truck, Suburban); 6.5L/396-402 (V8 1970-72 Blazer, Jimmy, Truck, Suburban); 6.6L/400SB (V8 1975-80 G-series Van, Cab & Chasis); 6.6L/400SB (V8 1975-80 G-series Van, Cab & Chasis); 6.6L/400SB (V8 1969-72 P-Series truck, Motorhome, Step Van); 6.6L/400SB (V8 1969-72 ...
$97.14

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Exhaust Manifold (For GM 454 1987-91 RH) - EMG170
GM 454 (1987-1991); With Heat Shield, RH; OE #12551443; Hol. #1365R. (Right)w/or w/o A.I.R. hole provisions,w/heat shield, Fits 7.4L/454 (V8 1989-91 G-series Van, Cab & Chasis); 7.4L/454 (V8 1973-87 P-Series truck, Motorhome, Step Van); 7.4L/454 (V8 1973-87 P-Series truck, Motorhome, Step Van)
$125.93

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Exhaust Manifold (For GM 454 1988-95 LH) - EMG229
GM 454 (1988-1995); w/or w/o AIR or oxy.sensor hole w/heat shield, LH. (Left)w/or w/o AIR or oxy.sensor hole w/heat shield, Fits 7.4L/454 (V8 1988-95 VIN C/K Trucks, Suburban, Tahoe, Yukon)
$125.93

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Exhaust Manifold (For GM 454 1988-95 RH) - EMG231
GM 454 (1988-1995); w/or w/o A.I.R. hole provisions, with heat shield, RH. (Right) w/wo A.I.R. hole provisions, w/heat shield, Fits 7.4L/454 (V8 1988-95 VIN C/K Trucks, Suburban, Tahoe, Yukon)
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