Showing 1–12 of 26 results

  • $1,949.95

    Frankenstein Engine Development Hemi 6.4 Apache CNC Ported Cylinder Heads (set) 🔍

    Our process for these heads is the gold standard in the industry. Re-use stock valve. CNC ported. Precision valve job. Hand blend. PSI springs with Titanium retainers. Free shipping!

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  • $1,949.95

    Frankenstein Engine Development Hemi 6.2 Hellcat CNC Ported Cylinder Heads (set)

    Our process for these heads is the gold standard in the industry. Re-use stock valve. CNC ported. Precision valve job. Hand blend. PSI springs with Titanium retainers. Free shipping!

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  • $1,899.95

    Frankenstein Engine Development Hemi 6.1 CNC Ported Cylinder Heads (set)

    Our process for these heads is the gold standard in the industry. Re-use stock valve. CNC ported. Precision valve job. Hand blend. PSI springs with Titanium retainers. Free shipping!

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  • $1,899.95

    Frankenstein Engine Development Hemi 5.7 CNC Ported Cylinder Heads (set)

    Our process for these heads is the gold standard in the industry. Re-use stock valve. CNC ported. Precision valve job. Hand blend. PSI springs with Titanium retainers. Free shipping!

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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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  • $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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  • $1,849.95

    Frankenstein Engine Development LS7 285cc Cylinder Heads

    GM LS7 Porting Service Reuse Del-West Titanium Intake Valves: 2.205″ Manley Stainless Exhaust Valves: 1.615″ Intake Volume: 285cc Exhaust Volume: 92cc Chamber: 71cc Seats: Stock Iron Guides: CHE Bronze Valve Guides Minimum Bore: 4.125 Intake Manifold Recommendation: FED Billet Low Pro Springs: FED .660″ Dual LSX Spring Kit with Titanium Retainers Intake Peak Flow: 410 Exhaust […]

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  • $1,749.95

    Frankenstein Engine Development LS3/LSA Stage 2 Cylinder Heads

    GM LS3 Porting Service Manley Stainless Intake Valves: 2.180″ Manley Stainless Exhaust Valves: 1.600″ Intake Volume: 292cc Exhaust Volume: 93cc Chamber: 70cc Seats: Stock Iron Guides: Stock Powdered Metal Minimum Bore: 4.060 Intake Manifold Recommendation: FED Billet Low Pro Stock Rockers or Jesel. Smith Brothers Trunnion Upgrade Kit Recommended Springs: FED .660″ Dual LSX Spring Kit […]

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  • $1,399.95

    Frankenstein Engine Development LS3/LSA Stage 1 Cylinder Heads

    GM LS3 Porting Service Reuse Factory Intake Valves: 2.165″ Reuse Factory Exhaust Valves: 1.590″ Intake Volume: 288cc Exhaust Volume: 93cc Intake Peak Flow: 390 Exhaust Peak Flow: 260 Seats: Stock Iron Guides: Stock Powdered Metal Minimum Bore: 4.000″ Intake Manifold Recommendation: FED Billet Low Pro Stock Rockers or Jesel. Smith Brothers Trunnion Upgrade Kit Recommended Springs: […]

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  • $1,259.95

    Frankenstein Engine Development 243/799 Cathedral Stage 1 Cylinder Heads

    GM LS1 Cathedral Porting Service Reuse Factory Intake Valves: 2.000″ Reuse Factory Exhaust Valves: 1.550″ Intake Volume: 224cc Exhaust Volume: 82cc Intake Peak Flow: 302 Exhaust Peak Flow: 240   Stock Chamber Seats: Stock Iron Guides: Stock Powdered Metal Minimum Bore: 3.900 Intake Manifold Recommendation: FED LowPro Stock Rockers. Smith Brothers Trunnion Upgrade Kit Recommended Springs: […]

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  • $1,649.95

    Frankenstein Engine Development LS1 243/799 Cathedral Stage 2 Cylinder Heads

    GM LS1 Cathedral Porting Service Manley Stainless Intake Valves: 2.040″ Manley Stainless Exhaust Valves: 1.575″ Intake Volume: 228cc Exhaust Volume: 84cc Intake Peak Flow: 310 Exhaust Peak Flow: 240   Stock Chamber Seats: Stock Iron Guides: Stock Powdered Metal Minimum Bore: 3.900 Intake Manifold Recommendation: FED LowPro Stock Rockers. Smith Brothers Trunnion Upgrade Kit Recommended Springs: […]

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  • $1,399.95

    Frankenstein Engine Development 5.3 L83 LT Stage 1 Cylinder Heads

    Reuse Factory Intake Valves: 1.930″ Reuse Factory Exhaust Valves: 1.550″ Intake Volume: 260cc Exhaust Volume: 114cc Chamber: 57cc Seats: Stock Iron Guides: Stock Powdered Metal Minimum Bore: 3.900 Stock Rockers. Trunnion Upgrade Kit Recommended (Sold Separately) Springs: FED .660″ Dual LSX Spring Kit with Titanium Retainers Includes: Teardown Wash CNC Port CNC Valve Job FED […]

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