Short Blocks

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  1. 400" LSX Short Block

    400" LSX Short Block

    $10,713.00

    Don't let the smaller displacement fool you, this 400" set up manifest itself as a multiple record setting base for your build. By taking the stroke of the crank down to 3.750", you yield the advantage of a more rigid piece with conjunct benefits. The cranks overlap is reduced and piston speed is slowed, allowing for a more stable unit at high RPMs and substantial boost levels for long duration. Cylinder bores are taken 4.125" and feature a much thicker ring land, creating a more rugged and resilient part that is able to withstand high heat. 

  2. 427" LSR 1500hp Short Block

    427" LSR 1500hp Short Block

    $11,995.00

    LME does the LSR right. Precision machine work coupled with the highest quality components i swhat makes the baby shine. The LSR block from Performance Concepts takes all the best features of the proven GM LSX and wraps it into an all aluminum body. With features like: priority main oiling, doweled bilet main caps, 6 bolts per cylinder & hicker deck, the LSR is a player on and off the track.

  3. 427" LSX 1500hp Short Block

    427" LSX 1500hp Short Block

    $10,713.00

    This LME 427" LSX 1500 short block is the heart of the absolute proven combination that gives you 1500+ horsepower at your disposal. The solid foundation starts with your choice of blocks; the rigid piece from Dart or direct from GM, with the mighty LSX. Both feature remarkable improvements to the oiling system and cast with exceptional materials. Handling the top end are provisions for 6-bolt head configuration with option to upgrade to 1/2" studs, this recourse makes cylinder head gasket and head lift issues a thing of the past. LMEs custom forged 4.125" piston from Wiseco is designed to handle the astounding heat and cylinder pressures today's boosted street machines produce. Callies Dragonslayer crank with a 4.000" stroke, 6.125" Ultra rods, and .200" wall heavy duty pins conclude the proven rotating construction making this the ultimate base for street car dominance.

  4. 427" LSX 2500hp Short Block

    427" LSX 2500hp Short Block

    $15,056.00

    This short block is the heart of the proven combination that gives you 2000+ horsepower at your disposal. The solid foundation starts with your choice of blocks; the vigorous LS-Next from Dart or direct from GM, the mighty LSX. Both feature remarkable improvements to the oiling system and cast with exceptional materials. Handling the top end are provisions for 6-bolt head configuration with option to upgrade to 1/2" studs, this recourse makes cylinder head gasket and head lift issues a thing of the past. LMEs custom forged 4.125" piston from Wiseco is designed to handle the astounding heat and cylinder pressures today's boosted street machines produce. Callies Dragonslayer crank with a 4.000" stroke, 6.125" Ultra rods, and .200" wall heavy duty pins conclude the proven rotating construction making this the ultimate base for street car dominance.

  5. GM LS9 377" Short Block

    GM LS9 377" Short Block

    $9,249.00

    Creating a more stable platform for the already stout LS9 is feasible with the adoption of custom forged 4.070" Diamond pistons. GM did a fine job with the LS9 crank, so keeping it and upgrading the connecting rods to Callies pieces facilitate keeping the oil squirters and remain a reliable foundation. This more rigid reciprocating end will keep everything in check, even with a significant shot of N2O into the 10.5:1 chambers.

  6. GM LSA 377" Short Block

    GM LSA 377" Short Block

    $8,795.00

    Creating a more stable platform while retaining the piston oil squirters for your Cadillac cruiser is made possible by using custom forged 4.070" Diamond pistons, Callies Ultra rods, and the tenacious factory LSA crank. This more rigid reciprocating end will keep everything in check with your 1.9L LSA blower, even with a significant shot of N2O into the 10:1 chambers.

  7. LS1 402" Force Induction Iron Short Block

    LS1 402" Force Induction Iron Short Block

    $6,699.00

    Suited for your supercharged C5, wicked turboed WS6, or even rowdy work truck, this stringent power plant will handle more than moderate boost while maintaining street reliability. Composed of fine offerings from Callies Compaster, the 4.000" stroke crank furnished with 6.125" rods adorn forged Wiseco pistons that fill the 4.000" cylinder bores.

  8. LS2 402" Force Induction Short Block

    LS2 402" Force Induction Short Block

    $6,774.00

    Beefed up cylinder walls of the LS2 make for a more rigid base that can handle plenty of boost for your daily driver to digest. Constructed square with 4.005" forged Wiseco pistons and 4.000" Callies Compastar crank, this plant will turn your daily driver into a daily ripper.

  9. LS2 402" N/A - Nitrous Short Block

    LS2 402" N/A - Nitrous Short Block

    $6,774.00

    This solid 402" LS2 infrastructure will provide countless miles of felicity. Squared up using 4.005" forged Wiseco pistons, 4.000" Callies Compstar crank, and connected with 6.125" Compstar rods, the meticulously machined GM block is fitted with Clevite H-Series bearing and Durabond one piece cam bearings.

  10. LS3 416" Force Induction Short Block

    LS3 416" Force Induction Short Block

    $7,744.00

    This proven 416" stroker short block will be at home in your force fed street rod. Constructed with forged internals, the Callies Compstar 4.000" Crank, 6.125" rods, and 4.070" Wiesco Pistons will handle moderate boost with ease during date night or race night.

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