Tired of losing accessory drive belts? March Performance very “trick” looking 1” wide serpentine belt drive system that simply swaps out with your old low performance v-belt pulleys. Not only will they eliminate belt throwing, March's high water flow ratio pulleys improve cooling.Matching “high performance” brackets with stainless steel tensioning rods for perfect belt tensioning. These high performance pulleys and brackets are precision CNC machined from solid billet 6061-T6 aluminum, polished and then clear powder coated for a “no polishing” maintenance-free finish.

Kit Includes:

• Alternator bracket and tensioning rod

• Crank pulley, water pump pulley and nose cover

• Alternator pulley with nose cover

• Power steering kit includes bracket, tensioning rod and pulley with cover

• Air conditioning kit includes A/C bracket, tensioner and A/C nose cover

Chrysler Small Block Kits 1970 and Later
all w/passenger side lower radiator hose

318-340-360 C.I. Engines
Kit # Drives	Alternator	A/C	Water Pump	Saginaw Keyway P/S Pump	Saginaw Press Fit P/S Pump	Alternator Belt Size	P/S Belt
40400	yes	-	yes	-	-	45”	-
40405	yes	-	yes	yes	-	45”	32.5"
40410	yes	-	yes	-	yes	45”	32.5"
40425	yes	yes	yes	-	-	-	50.5"
40415	yes	yes	yes	yes	-	45”	50.5"
40420	yes	yes	yes	-	yes	45”	50.5"
Type of Accessories	Early Chrysler mounting alternator	Sanden 505 or 508 serpentine A/C	Standard rotation water pump	1966-74 keyway Saginaw pump with canister or our NEW Billet pump	1975-78 press fit Saginaw pump with canister	Dayco 6 rib