Edelbrock - 61905
Cylinder Head - Performer - Assembled - 1.940 / 1.550 in Valve - 170 cc Intake - 60 cc Chamber - 1.460 in Springs - Straight Plug - Aluminum - GM LT-Series 1992-97 - Each
Cylinder Head Specifications: Combustion chamber volume: 54cc; Intake runner volume: 170cc; Exhaust runner volume: 60cc; Intake valve diameter: 1.94"; Exhaust valve diameter: 1.55"; Valve stem diameter: 11/32"; Valve guides: Maganese Bronze; Deck thickness: 5/8"; Valve spring diameter: 1.46"; Valve spring maximum lift: .600"; Rocker stud: 3/8"; Guideplate: N/A; Pushrod diameter: 5/16"; Valve angle: 23°; Exhaust port location: Stock; Spark plug fitment: 14mm x .750 reach, gasket seat. * Designed for 1992-97 LT1 small-block Chevy engines, these Performer cylinder heads deliver 24 horsepower over stock and raise the peak power level by 500 rpm. These heads are designed to accept factory style self-aligning rockers. Performer LT1 cylinder heads are 50-state street legal and accept factory centerbolt valve covers. They feature exhaust ports in the stock location for use with stock or aftermarket exhaust manifolds and headers. Match with RPM Air-Gap intake #7107, throttle body #3809 and camshaft #2108 for the Total Power Package combo. ** Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. Match with Edelbrock head gasket sets.
- Complete 50-State Street Legal Alum Cylinder Head
- Out-of-the-Box Bolt-On Performance
- Design That Improves Intake Port Alignment
- Outstanding High Performance Street Head
- Provides A Semi-Open Combustion Chamber
- 9.2:1 Compression with Flat Top Pistons
- 8.8:1 Compression With 1987 And Up TBI Dished Pistons
- Match with Edelbrock Multi-Point EFI to Maximize
Exhaust Valve Diameter: 1.55
9040: D-215-70
CNC Ported: No
Exhaust Port Location: Standard
Exhaust Runner Volume: 60
RGL: WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.
Family: Performer
EGR Port: No
Horsepower: 300-450
Seat Material: Ductile Iron
Construction Type: Complete
Guide Plates Included: No
Head Casting Number: N/A
Guide Material: Manganese Bronze
Combustion Chamber Volume: 54
Rocker Arm Stud Diameter: 0.4375
Quantity: Sold Individually
Valve Stem Diameter: 0.3125
Retainer Included: Yes
Push Rod Diameter: (Suggested) 0.375
Valve Included: Yes
Intake Valve Diameter: 1.94
Valve Spring Diameter: 1.46
Series: Performer
Material: Aluminum
Intake Runner Volume: 170
Valve Angle: 23
Seat Angle: Exhaust 45 deg/Intake 45
Valve Springs Included: Yes
Valve Spring Maximum Lift: 0.600
Camshaft Type: Hydraulic Roller
Grade Type: Performance
Deck Thickness: 0.625
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