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    $3,999.95 $3,850.95

    Frankenstein Engine Development F715 294cc LS7 Square Cylinder Heads

    Set of two (2) LS7 square port cylinder heads. Heads are complete and assembled. Valve covers, oil fill cap, and doweled rocker stands included with purchase. 15° valve angle Solid, stainless 2.200” intake / 1.650” exhaust valves 4.125” minimum bore size FED titanium 0.660” lift Spring Kit  ¼” NPT water crossover ports 294cc equivalent. Additional Info […]

  • $1,499.95

    Frankenstein Engine Development LT1 6.2L 325cc Stage 1 Cylinder Heads

    Reuse Factory Intake Valves: 2.120″ Reuse Factory Exhaust Valves: 1.590″ Intake Volume: 325cc Exhaust Volume: 118cc Chamber: 61cc Seats: Stock Iron Guides: Stock Powdered Metal Minimum Bore: 4.060 Stock Rockers. Smith Brothers Trunnion Upgrade Kit Recommended Springs: FED .660″ Dual LSX Spring Kit with Titanium Retainers Intake Peak Flow: 360 Exhaust Peak Flow: 244 Also […]

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  • $1,969.95

    Frankenstein Engine Development LT4 6.2L 325cc Stage 1 Cylinder Heads (set)

    Reuse Del-West Titanium Intake Valves: 2.120″ Install Manley Stainless Exhaust Valves: 1.590″ Intake Volume: 325cc Exhaust Volume: 118cc Chamber: 61cc Seats: Stock Iron Guides: Bronze Minimum Bore: 4.065″ Stock Rockers. Smith Brothers Trunnion Upgrade Kit Recommended Springs: FED .660″ Dual LSX Spring Kit with Titanium Retainers Intake Peak Flow: 366 Exhaust Peak Flow: 244 Also […]

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