29069 Calahan Rd, Roseville, MI 48066
Info: 586-772-0000 | Orders: 800-828-7229

1970-1981 Chevy 3988999 11" 168 Tooth Resurfaced Flywheel 14 1/8" OD V8 Engines

This is for Your Choice of One, (ONLY 1), 1970-1981 Chevy 3988999 N 11" 168 Tooth Resurfaced Flywheel 14 1/8" Outside Diameter, (GM Part Number 3973456, GM Group Number 0.666). These will be freshly and professionally resurfaced before shipping. They will also be cleaned, checked and guaranteed. This is for the engines with 2 piece rear main seals.  If there is a problem with the starter ring gear, we either flip it over for a new surface or replace it. This fits lots of different Chevrolet passenger cars, trucks, Camaros, Chevelles, Full Size Impalas and Corvettes from 1963 63 1964 64 1965 65 1966 66 1967 67 1968 68 1969 69 1970 70 1971 71 1972 72 1973 73 1974 74 1975 78 1976 76 1977 77 1978 78 and 1979 79 engines that use the large 11" clutch flywheel with 168 teeth. NOTE: THIS WILL NOT WORK ON 400 SBC or 454 BBC ENGINES! It weighs about 30 pounds. It may also fit other vehicles, maybe even some 6 cylinders, but do your own research to verify proper fit. This is what you need for your Bloomington Gold, NCRS Top Flight Restoration or Survivor Car! "Keep Your GM Car All GM!"

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You can have your choice or one of the following dates while supply lasts or email Tracy Performance to check current stock or new arrivals:


Casting Date, Casting # 

6/30/1971 F 30 1 3988999
5/8/1972 E 8 2 3988999
6/24/1974 F 24 4 3988999
11/26/1974 K 26 4 3988999
1/24/1975 A 24 5 3988999
1/27/1975 A 27 5 3988999
10/20/1975 J 20 5 3988999
6/12/1976 F 12 6 3988999
6/16/1978 E 16 8 3988999
7/17/1978 G 17 8 3988999
12/18/1980 L 18 0 3988999
12/30/1980 L 30 0 3988999
12/9/1981 L 9 1 3988999
Vehicle Applications:
1981 Chevrolet w/11" 168T FW Manual Trans 
1980 Chevrolet w/11" 168T FW Manual Trans 
1979 Chevrolet w/11" 168T FW Manual Trans 
1978 Chevrolet w/11" 168T FW Manual Trans 
1977 Chevrolet w/11" 168T FW Manual Trans 
1976 Chevrolet w/11" 168T FW Manual Trans 
1975 Chevrolet w/11" 168T FW Manual Trans 
1974 Chevrolet w/11" 168T FW Manual Trans 
1973 Chevrolet w/11" 168T FW Manual Trans 
1972 Chevrolet w/11" 168T FW Manual Trans 
1971 Chevrolet w/11" 168T FW Manual Trans 
1970 Chevrolet w/11" 168T FW Manual Trans 


Listing Number:11843 - DT190130C
eBay Listing:392227027830
Condition:Remanufactured
Corvette Series:Not Corvette
C3 1968-1982
Group Number:0.666
Part Brand:GM, General Motors
Manufacturer Part #:3988999
Casting Number:3988999
Casting Date:1970-1981
Tracy Part Number:Rs 1971-79 999 11" FW
Interchange Part #:Various
Placement:Center
Placement Details:

Back of Engine on Crank

Surface Finish:Resurfaced
Manufactured In:United States
Qty Available:13
Retail Price:$299.00
Shipping Price:$56.00 (Continental US)

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 Chevy Chevrolet C1 C2 C3 C4 C5 C6 Corvette NCRS Top Flight Bloomington Gold Tracy Performance Corvette Parts Roseville Detroit Michigan 48066 Sting Ray 283 302 327 348 350 396 402 409 427 454 502 Engine Transmission