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Product Details
Part number: 61905
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
Material: Aluminum · Weight: 31.65 lb
Confirm this fits your vehicle. Use the “Check Fit” selector, or see the Vehicle Compatibility list below for the years, makes and models listed.
Specifications
Manufacturer data for this part — all visible, no tabs to dig through.
| Brand | Edelbrock |
| Part number | 61905 |
| Material | Aluminum |
| Hardware included | No |
| Warranty | 12 months (manufacturer) |
| Shipping carton | 22.19 × 10.12 × 7.19 in (56 × 26 × 18 cm) |
| Shipping weight | 14.4 kg (31.65 lb) |
| Valve angle | 23 DD |
| Seat angle | Exhaust 45 deg/Intake 45 |
| Camshaft type | Hydraulic Roller |
| 9040 | D-215-70 |
| Cnc ported | No |
| Exhaust port location | Standard |
| Egr port | No |
| Horsepower | 300-450 |
| Seat material | Ductile Iron |
| Construction type | Complete |
| Guide material | Manganese Bronze |
| Rocker arm stud diameter | 0.4375 in |
| Valve stem diameter | 0.3125 in |
| Retainer included | Yes |
| Valve springs included | Yes |
| Valve spring retainers included | Yes |
| Valve seals included | Yes |
| Valve locks included | Yes |
| Valve lock material | Chromoly Steel |
| Valve cover gasket included | No |
| Rocker arms included | No |
| Rocker arm studs/bolts included | No |
| Mounting hardware included | No |
| Intake runner volume | 170 CCM |
| Head casting number | 31-6190 |
| Guide plates included | No |
| Grade type | Performance |
| Deck height | 9.025 in |
| Cylinder head gasket included | No |
| Combustion chamber volume | 54 CCM |
| Assembled | Yes |
| Valves included | Yes |
| Product family | Performer |
| Product series | Performer |
| Exhaust runner volume | 60 CCM |
| Intake valve diameter | 1.94 in |
| Push rod diameter | (Suggested) 0.375 |
| Exhaust valve diameter | 1.55 in |
| Deck thickness | 0.625 in |
| Valve spring maximum lift | 0.600 in |
| Valve spring diameter | 1.46 in |
| Category | Engine & Driveline |
Edelbrock Performer LT1 Cylinder Head (...
61905
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