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Chevy 454 Mid Dress Engine 500HP
ATK HP451PM Chevy 454 Mid Dress Engine 525HP
Our Price (USD): $6,695.00




This is our new version of our former #HP45M. We have swapped over to the later model Gen V 1991-1995 engine blocks as the foundation which has NO provisions for a mechanical fuel pump. We have also swapped over to a Hyd. Roller Camshaft/Lifter package for better streetability and a little more power! more info
Chevy 454 Mid Dress Engine 565HP
ATK HP411PM Chevy 489CI Mid Dress Engine 565HP
Our Price (USD): $8,240.00




This new version of our 489CI engine is based off the later model GEN V 1991-1995 engine blocks. Due to this they will not have a mechanical fuel pump provision and you must run an electric pump. Timing cover will be different than what is shown in the picture. more info
Chevy 496 Stroker Base Engine 600+ HP
ATK HP631PM Chevy 496 Stroker Mid Dress Engine 600+ HP
Our Price (USD): $9,991.00

This is our new version of our former #HP63. We have swapped over to the later model Gen V 1991-1995 engine blocks as the foundation which has NO provisions for a mechanical fuel pump. We have also swapped over to a Hyd. Roller Camshaft/Lifter package for better streetability and a little more power! more info
Chevy 540 Mid Dress Engine 660+ HP
ATK HP42M Chevy 540 Mid Dress Engine 660+ HP
Our Price (USD): $11,485.00

This is a street/strip engine it will have a lopey idle, marginal vacuum for power brakes, and big power for the track or the street. more info
Chevy 598 Mid Dress Engine 725HP
ATK HP44M Chevy 598 Mid Dress Engine 725HP
Our Price (USD): $11,700.00

Biggest engine we build street/strip ready, must upgrade drive train for an engine of this size. more info