Edelbrock 61905 Performer LT1 Cylinder Head (54cc)
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Edelbrock part #61905 Performer small-block Chevy LT1 (1992-97) Performer cylinder heads deliver 24 horsepower over stock and raise the peak power level by 500 rpm.
Edelbrock part #61905 Performer small-block Chevy LT1 (1992-97) Performer complete cylinder head delivers 24 horsepower over stock and raise the peak power level by 500 rpm. This head is designed to accept factory style self-aligning rockers. This Performer LT1 cylinder head is 50-state street legal and accept factory center bolt valve covers. It features 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. Cylinder Head Specifications: - Exhaust port location: Stock - Spark plug fitment: 14mm x 3/4 reach, gasket seat
Specifications
| Series | Performer |
| Push Rod Diameter | (Suggested) 0.375 IN |
| Valve Stem Diameter | 0.3125 IN |
| Rocker Arm Stud Diameter | 0.4375 IN |
| Valve Spring Maximum Lift | 0.600 IN |
| Deck Thickness | 0.625 IN |
| Valve Spring Diameter | 1.46 IN |
| Exhaust Valve Diameter | 1.55 IN |
| Intake Valve Diameter | 1.94 IN |
| Intake Runner Volume | 170 CCM |
| Valve Angle | 23 DD |
| Horsepower | 300-450 HJ |
| Head Casting Number | 31-6190 |
| Combustion Chamber Volume | 54 CCM |
| Exhaust Runner Volume | 60 CCM |
| Deck Height | 9.025 IN |
| Material | Aluminum |
| Valve Lock Material | Chromoly Steel |
| Construction Type | Complete |
| 9040 | D-215-70 |
| Seat Material | Ductile Iron |
| Seat Angle | Exhaust 45 deg/Intake 45 DD |
| Camshaft Type | Hydraulic Roller |
| Guide Material | Manganese Bronze |
| Rocker Arms Included | No |
| Cylinder Head Gasket Included | No |
| Valve Cover Gasket Included | No |
| Rocker Arm Studs/Bolts Included | No |
| Mounting Hardware Included | No |
| Guide Plates Included | No |
| CNC Ported | No |
| EGR Port | No |
| Grade Type | Performance |
| Family | Performer |
| Quantity | Sold Individually |
| Exhaust Port Location | Standard |
| Valve Lock Material | Steel |
| 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. |
| Valve Spring Retainers Included | Yes |
| Valve Locks Included | Yes |
| Assembled | Yes |
| Valve Springs Included | Yes |
| Valve Seals Included | Yes |
| Valves Included | Yes |
| Retainer Included | Yes |
β οΈ California Proposition 65 Warning
California Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information.
Warranty: 12 Months
Please check the product description for the manufacturer’s application details, or ask a specialist — we’ll confirm whether it fits your vehicle before you buy.
Shipping Information
Free shipping is available for eligible orders.
Shipping: For USA - Up to 50lbs.
Orders are processed during normal business days. Delivery dates may vary by carrier and destination.
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