Showing all 5 results

  • $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: […]

    Add to cart
  • Sale!
    $3,999.95 $3,850.95

    Frankenstein Engine Development F110 247cc Cathedral Cylinder Heads

    Set of two (2) LS1 cathedral port cylinder heads. Heads are complete and assembled. Valve covers, oil fill cap, and doweled rocker stands included with purchase. 10° valve angle Solid, stainless 2.135” intake / 1.615” exhaust valves 4.030” minimum bore size FED titanium 0.660” lift Spring Kit  ¼” NPT water crossover ports 247cc  equivalent. Additional Info […]

  • Sale!
    $3,999.95 $3,850.95

    Frankenstein Engine Development F110 265cc Cathedral Cylinder Heads

    Set of two (2) LS1 cathedral port cylinder heads. Heads are complete and assembled. Valve covers, oil fill cap, and doweled rocker stands included with purchase. 10° valve angle Solid, stainless 2.135” intake / 1.615” exhaust valves 4.030” minimum bore size FED titanium 0.660” lift Spring Kit  ¼” NPT water crossover ports 265cc  equivalent. Additional Info […]

  • $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: […]

    Add to cart
  • $48.00

    LS2 MULTILAYER HEAD GASKET

    Chevrolet Performance Multilayer Head Gasket for LS2 engines, can also be used with 6.0 iron blocks as well as 5.3/4.8 blocks using large bore cylinder heads.  4.050″ bore, .051″ thick compressed, 3 layer

    Add to cart