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Ships within 48 hours · Estimated delivery Nov 4 - Nov 9
horse power increase of 10-15
These are direct plug replacements for OEM coils
yet pliable enough to seal each exhaust port
Speedmaster planetary gear sets have an extremely stout output shaft
The high carbon steel material is incredibly strong and can withstand the rigors of the most extreme engines
Chevy BBC 454 Rear Seal Adpater Gen V &VI Block 1PC to 2PC Rear Main Seal horse power increase of 10-15These Speedmaster rear main seal adapter kits are designed to install an early 2 piece style crankshaft into a late model, 1 piece engine block. They are manufactured from billet aluminum and require no drilling or welding for installation.
US$ 257.70
US$ 135.29
