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Home > Engine Kits > Pontiac - 400-455 V8

461 cubic inches
This stroker combination uses a 4.250" stroke to produce 461 cubic inches from a Pontiac 455 engine. Because of the longer stroke, these kits will have more torque and balanced power than stock. Kits available with compression ratios ranging from low to high, making it a good fit for many applications. Kits available with Reverse Dome or Flat Top pistons, bore sizes range between 4.155" and 4.185".
488 cubic inches
This configuration uses a bit longer 4.500" stroke to produce a 488 cubic inch displacement. As a result, motors using this setup will have more bottom end power than the 461, at the expense of top-end power and high RPMs. Great for applications where high RPM aren't generally as important, such as street/strip running either naturally aspirated or boosted. Bore sizes range between 4.155" and 4.185".