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Home > Muncie M20 / M21 / M22
Muncie M20, M21, M22
Rebuild Kits & Hard Parts
DIAGRAM PART # PART # DESCRIPTION PRICE
4 Speed Muncie M20, M21, M22
Master Bearing Kits
BK117 M20, (80mm OD Input Bearing) (7/8 Dia. Counter Shaft Pin) Master Bearing Kit Includes: Bearings, Gaskets, Seal and Small Parts Kit M20 (1963-1965) $111.27
BK117A M20 (72mm OD Input Bearing) Master Bearing Kit Includes: Bearings, Gaskets, Seal and Small Parts Kit 1963-1965 $111.27
BK117HD M20, (80mm OD Input Bearing) (7/8 Dia. Counter Shaft Pin) Master Bearing Kit Includes: HD Bearings, Gaskets, Seal and Small Parts Kit M20 (1963-1965) $193.70
HD Bearings
BK117WS M20, (80mm OD Input Bearing) (7/8 Dia. Counter Shaft Pin) Master Bearing Kit Includes: Bearings, Gaskets, Seal and Small Parts Kit w/ Synchros M20 (1963-1965) $163.45
w/ Synchros
BK117AWS M20 (72mm OD Input Bearing) Master Bearing Kit Includes: Bearings, Gaskets, Seal and Small Parts Kit w/ Synchros 1963-1965 $163.45
w Synchros
BK117HDWS M20, (80mm OD Input Bearing) (7/8 Dia. Counter Shaft Pin) Master Bearing Kit Includes: HD Bearings, Gaskets, Seal and Small Parts Kit w/ Synchros M20 (1963-1965) $210.82
HD Bearings
w/ Synchros
BK116 M21, M22 (1" Diameter Counter Shaft Pin) (80mm O/D Input Bearings) Master Bearing Kit Includes: Bearings, Gaskets, Seal and Small Parts Kit 1966-1974 $116.91
BK116HD M21, M22 (1" Diameter Counter Shaft Pin) (80mm O/D Input Bearings) Master Bearing Kit Includes: HDBearings, Gaskets, Seal and Small Parts Kit 1966-1974 $188.27
HD Bearings
BK116WS M21, M22 (1" Diameter Counter Shaft Pin) (80mm O/D Input Bearings) Master Bearing Kit Includes: Bearings, Gaskets, Seal and Small Parts Kit w/ Synchros 1966-1975 $168.18
w/ Synchros
BK116HDWS M21, M22 (1" Diameter Counter Shaft Pin) (80mm O/D Input Bearings) Master Bearing Kit Includes: HDBearings, Gaskets, Seal and Small Parts Kit w/ Synchros 1966-1974 $223.31
HD Bearings
w/ Synchros
Replacement Hard Parts
98 304041 1st Gear Bushing $61.36
62 44066 Extension Bushing 1.630" OD 27 Spline $6.50
62 331066 Extension Bushing 2.010" OD 32 Spline $7.50
107 304208 Cluster Gear Thrust Washer Each
83 304240B Input Bearing (STD) N307LOE $26.89
83 304240A Input Bearing (HD) N1307L $71.38
84 304699 Input Bearing Slinger $6.50
101 304240 Rear M/S Bearing 90MM OD 6308-N $14.27
101 304232 Rear M/S Bearing 90mm OD HD Bearing 1308-N $38.33
85 304267 Input Pocket Bearing (w Cage) JV 441419 $10.31
15 304641 Sliders 1-2 / 3-4 Torque lock Type $35.91
SRK117 M20 Synchro Ring Kit Early $72.69
SRK116 M21 / M22 Synchro Ring Kit Late $72.69
80 304701K 1-2 Synchro Assembly (Complete) AWT297-80A $110.82
89 / 91 304701-2K 1-2 Key & Spring Kit WT2597-14 $5.55
88 / 92 / 93 / 97 304701 1-2 Synchro Ring Early Non Stepped Shoulder WT297-14 $10.00
89 / 92 / 93 / 97 304701A 1-2 Synchro Ring Late Non Stepped Shoulder WT297-14A $10.00
38 304703K 3-4 Synchro Assembly (Complete) AWT297-25A $110.82
89 / 91 304701-2K 3-4 Key & Spring Kit WT297-K $5.55
88 / 92 / 93 / 97 304701 3-4 Synchro Ring Early Non-Stepped WT297-14 $10.00
89 / 92 / 93 / 97 304701A 3-4 Synchro Ring Late Non-Stepped WT297-14A $10.00
68 304841 1-2 / 3-4 Shift Fork All WT297-23 $32.27
60 304848 Reverse Fork All WT297-23A $34.75
12 304581 1st Gear 36T Except M22 1964-1974 $90.25
WT297-12A
12 304581A 1st Gear 36T M22 1964-1974 $155.13
WT297-12B
21 304582 2nd Gear 30T Except M22 1964-1974 $90.65
WT297-21
21 304582A 2nd Gear 30T M22 1964-1974 $105.53
WT297-21A
11 304583 3rd Gear 27T Except M22 WT297-11 $87.07
11 304583A 3rd Gear 27T M22 WT297-11A $77.58
36 304587 Reverse Gear 35T Except M22 WT297-36 $81.58
36 304587A Reverse Gear 40T M22 WT290-36A $99.03
116 304819B Front Idler Gear Except M22 WT297-10 Call for Price
116 304819A Front Idler Gear M22 18 Teeth WT297-10B $49.56
10 304819 Reverse Idler Gear 17 Teeth 27 Spline AWT297-10A $55.31
10 304820 Reverse Idler Shaft WT297-35 $16.75
16 304670B Input Shaft 21T 10 Spline 1966-1970 $146.18
Wide Ratio
16 304670C Input Shaft 21T 26 Spline 1971-1974 $164.85
Wide Ratio
16 304670A Input Shaft 24T 10 Spline 1963-1965 $142.64
Wide Ratio
16 304670 Input Shaft 26T 10 Spline Except M22 $143.16
Close Ratio
16 304670F Input Shaft 26T 10 Spline M22 $243.91
1966-1977
16 304670D Input Shaft 26T 26 Spline Except M22 $147.75
1971-1974
Close Ratio
16 304670E Input Shaft 21T 26 Spline M22 $194.95
2 304672 Main Shaft 27 Spline W297-2A $221.93
2 304672A Main Shaft 32 Spline W297-2G $226.73
8 304674 Cluster Gear M20 (27-22-19-17) 1963-1965 $193.93
Close Ratio
8 304674A Cluster Gear M20 (29-22-19-17) 1963-1965 $193.93
Wide Ratio
8 304674B Cluster Gear M21 (25-22-19-17) 1966-1974 $199.73
Wide Ratio
8 304674C Cluster Gear M21 (27-22-19-17) 1966-1974 $205.09
Close Ratio
8 304674D Cluster Gear M22 (27-22-19-17) 1966-1974 $241.18
Close Ratio
113 304676 Counter Shaft (Pin) 7/8 OD M20 WT297-3 $21.27
113 304676A Counter Shaft (Pin) 1" OD M21 / M22 WT297-3A $22.22
119 304820 Reverse Idler Shaft (Pin) WT297-35 $16.75
1 304760 Case 7/8" (Pin) M20 Case / Housing $449.82
1 304760A Case 1" (Pin) M21 Case / Housing $449.82
54 304772A Extension Housing 32 Spline $296.65
66 304756AK Side Cover Kit (3/8" Internal Threads) Covers $300.00
52 304765 Cover (Center Support Iron) Covers $115.64
105 304997 Speed Gear 8T 1.18" ID x 1.76 OD Speedos $48.00
105 304997A Speed Gear 8T 1.18" ID x 1.84 OD Speedos $48.00
6 304735 Front Retainer (No Seal) $21.15
81 304798 Input Nut PR707A $6.95
59 304628A Reverse Lug (internal Threads) $86.87
111 304676 Spacer Tube (Fits 1" Counter Shaft) $9.66
113 304485 7/8" C/S Pin M20 $21.27
7412S Input Seals 4 Speed $4.55
57 44074 Rear Seal Small 15041 15041 $4.89
57 34074 Rear Seal Large 18992 18992 $5.34
71 34073 Side Cover Shaft Seals 7410 7410 $2.48
61 3044036 Reverse Fork Seal 240735 7410 $2.48