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Tiered Blocks

Tiered Short Blocks

Our short block tiers are organized by power target and intended use. Every tier lists exact components, the power level it supports, and required supporting mods.

Tier 1 — OEM Rebuild

Power: Up to 300 whp  |  Platform: EJ / FA

Factory-spec short block rebuild using OEM or OEM-equivalent components. New rings, bearings, and seals. Cylinder walls measured and honed to spec.

Tier 2 — Street Performance

Power: 300–400 whp  |  Platform: EJ / FA

Upgraded forged pistons, ACL or King race bearings, ARP head studs. Bored, honed, and plateaued. Handles pump E or low-concentration ethanol.

Tier 3 — High Output

Power: 400–550 whp  |  Platform: EJ

Manley or Wiseco forged pistons, H-beam rods, fully decked block. Big-turbo street/track. Requires E85 or race fuel and professional tune.

Tier 4 — Race

Power: 550 whp+  |  Quoted individually.
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