Scat Chevy 4340 Forged Standard Steel Crankshaft - SB Chevy 400, 3.750" Stroke, 5.700" Rod Length, 2.100" Rod Journal Air & Fuel Delivery Air Cleaners Filters Intakes & Components Side-mounted bed access step the tubular design allows SCOBRS0054U0K01060 150-45-6712K Size:7-5/8+ (61+)

Side-mounted bed access step

You can also set an rpm limit that will protect your engine from over-rev damage caused by a missed shift or driveline failure

Battery Cable Kit

and fuel grades

2-N-1 Works with everything

Scat Chevy 4340 Forged Standard Steel Crankshaft SB Chevy 400, 3.750" Stroke, 5.700" Rod Length, 2.100" Rod Journal Air & Fuel Delivery Air Cleaners Filters Intakes & Components Side mounted bed access step the tubular design allows SCOBRS0054U0K01060 150 45 6712K Size:7 5 8+ (61+) Side mounted bed access step You can also set an rpm limit that will protect your engine from over rev damage caused by a missed shift or driveline failure