FLEXPLATES (Manual Trans)
Chevrolet LS Series Part No. Description
Tooth Count
Weight
Balance Internal Internal Internal Internal Internal Internal External Internal Internal
Material
SFI
CTF700142 MCL460530 FID198171 FID198571 RAM2550 RAM1523 RAM1550 RAM2552
1998-2011, LS1, LS2, LS3, LS6, LS7 1997-2014, LS1, LS2, LS3, LS6, LS7
168 168 168 168 168 168 168 168 168
29.7 Lbs. 30.0 Lbs. 30.0 Lbs. 12.9 Lbs. 12.75 Lbs. 18.0 Lbs. 33.0 Lbs. 25.0 Lbs. 19.0 Lbs.
Billet Steel Billet Steel Billet Steel
Yes Yes Yes
MCL460535 1997-2016, LS1, LS2, LS3, LS6, LS (.400" Thicker)
2005-2014, LS2, LS3, LS7
Billet Aluminum Yes Billet Aluminum Yes Billet Aluminum Yes
1997-2004, LS1, LS6
1997-2014, LS1, LS2, LS3, LS6, LS7 400 With 2 Piece Rear Main Seal 1997-2016, LS1, LS2, LS3, LS6, LS7 1997-2016, LS1, LS2, LS3, LS6, LS7
Billet Steel Billet Steel
Yes Yes
Billet Aluminum Yes
Chrysler Small/Big Block V8 Part No. Description CTF700400 318, 340, 383, 400, 440, With 6-Bolt Crankshaft Flange
Tooth Count
Weight
Balance Internal Internal Internal Internal Internal Internal Internal Internal Internal
Material
SFI
130 130 130 130 130 143 143 143 143
29.3 Lbs. 30.0 Lbs. 30.0 Lbs. 27.0 Lbs. 28.0 Lbs. 36.3 Lbs. 36.2 Lbs. 30.0 Lbs. 32.0 Lbs.
Billet Steel Billet Steel Billet Steel Billet Steel Billet Steel Billet Steel Billet Steel Billet Steel
Yes Yes Yes Yes Yes Yes Yes Yes
340, 360, 383, 400, 413, 426 ,440, With 6-Bolt Crankshaft Flange
HAY11-330
MCL464100 426 Wedge, 426 Hemi, With 8-Bolt Cranshaft Flange
MCL464102 *
31 -440, With 6-Bolt Crankshaft Flange
Billet Aluminum Yes
RAM1583 318, 340, 383, 400, 440, With 8-Bolt Crankshaft Flange CTF700420 318, 340, 383, 400, 440, With 6-Bolt Crankshaft Flange CTF700440 426 Wedge, 426 Hemi ,With 8-Bolt Cranshaft Flange
340, 360, 383, 400, 413, 426, 440, With 6-Bolt Crankshaft Flange
HAY11-430
RAM1593 318, 340, 383, 400, 440, With 8-Bolt Crankshaft Flange
* Can be used as External Balance ,But must purchase external weight kit separately (MCL564111)
Ford Small/Big Block V8 - Inline 6 - V6 - 4-Cylinder
Tooth Count
Part No.
Description
Weight
Balance
Material
SFI
Internal Balance RAM1549
1949-53, Flathead V8 1949-53, Flathead V8
112 24.0 Lbs. 112 14.0 Lbs. 135 11.0 Lbs. 157 23.1 Lbs. 157 23.1 Lbs. 157 15.0 Lbs. 157 16.0 Lbs. 164 33.0 Lbs. 176 40.5 Lbs. 176 30.0 Lbs. 184 29.5 Lbs. 184 14.0 Lbs. 184 30.0 Lbs. 157 23.3 Lbs. 157 27.6 Lbs. 157 12.3 Lbs. 157 13.5 Lbs. 157 13.5 Lbs. 157 21.5 Lbs. 157 23.0 Lbs. 157 21.0 LBS. 157 23.0 Lbs. 157 30.0 Lbs. 157 25.0 Lbs. 157 25.0 Lbs. 132 9.0 Lbs.
Internal Internal Internal Internal Internal Internal Internal Internal Internal Internal Internal Internal Internal Internal
Billet Steel
Yes
RAM2549 FID186231 RAM1535 CTF700225 CTF900232 RAM1529-15 RAM2529 RAM1507 CTF700280 MCL463222 CTF700260 FID186541 MCL463215 CTF700320 CTF900220 FID186501 FID186501 FID286500
Billet Aluminum Yes Billet Aluminum Yes
2.3L 4-Cylinder
2000, 2300 4-Cylinder
Billet Steel Billet Steel
Yes Yes
289, 302, 351W 289, 302, 351W
Billet Aluminum Yes
302, 351W 302, 351W
Billet Steel
Yes
Billet Aluminum Yes
289, 302, 351W 390 “FE”, 429, 460
Billet Steel Billet Steel Billet Steel Billet Steel
Yes Yes Yes Yes
429, 460
360, 390, 427 “FE”
332-428 “FE” 352-427 “FE”
Billet Aluminum No
Billet Steel
Yes
External Balance CTF700220
289, 302, 351, With 351C
External 28oz External 50oz
Billet Steel Billet Steel
Yes Yes
302, 5.0L
289, 302, 351, With 351C
External 28oz Billet Aluminum Yes External 28oz Billet Aluminum Yes External 50oz Billet Aluminum Yes
289, 302, 351W
302, 5.0L 302, 5.0L 302, 5.0L 302, 5.0L
External 50oz External 28oz External 50oz External 50oz External 28oz External 28oz External 50oz
Nodular Iron Billet Steel Cast Iron Billet Steel Billet Steel Billet Steel Billet Steel
No
FRDM6375-A302B (A,C) FRDM6375-B302 (A) FRDM6375-C302B (A,C)
289, 302, 351, With 351C
Yes
No
Yes Yes Yes
HAY12-535
289, 302, 351, With 351C
MCL463100 (E) MCL463100 (E)
289, 302, 351W 289, 302, 351W
Yes (A) Diaphragm clutch uses metric bolts And dowel pins. Requires metric pressure plate bolts N602549-s51m And alignment dowel pins D1FZ-6397-B. Ford racing kit M6397-A302. (B) 4.6L engines may have 6 or 8- bolts to attach to the crankshaft. Check the engine code before ordering. Romeo built engines have 6-bolts And Windsor built engines have 8-bolts. All Cobra engines have 8-bolts. (C) Has bolt-on counter weight 4" long for A302, 7.2 Long for C302. (D) : Comes With 2.490" And 2.750" Dia. Crankshaft Ring Bushings (E) : Includes 28 oz. and 50 oz. balance weights and clutch plate dowels designed for use with 1986-2000 Mustang 10.5" diaphram clutch
2018 ENGINE BUILDER CATALOG
422
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