BluePrint BPSB4125200S SB Chevy Cast Iron Engine Block, 2 piece Seal
400 Chevy Small Block V8, 4.125" Bore Size, 2-piece Rear Main Seal Style, Cast Iron
- This item ships directly from the manufacturer. It may take an additional 30 business days for BluePrint Engines to ship this item.
- This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
Rear Main Seal
Inside Head Stud Bosses
Main Priority Oiling
Fuel Pump Boss
Fuel Pump Pushrod
Clutch Linkage Boss
Hyd Roller Provisions
Siamese Cylinder Walls
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Q & A
Speedway Motors employee Pat joins us once again. This time Pat is talking to the Model A and Model T owners, specifically in regards to Moto-Meters and accessories.
Speedway Motors Product Manager Jeff K. talks about how to really make your engine bay stand out from the crowd with just a little patience, and some Speedway products.
One of the most important parts of your racing operation is the engine. This article gives a detailed overview on how to maintain your engine to get the most out of it for as long as possible. Also learn some tips to prolong the life of your engine.