Edelbrock 60975 E-Tec-170 Small-Block Chevy Cylinder Head Hydraulic Roller Camshaft
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The Edelbrock #60975 E-Tec Cylinder Heads are replacements for 302, 327, 350 & 400 SB Chevy engines with Vortec-style manifolds. They feature an LT1-style raised runner intake port design for increased air-flow and ultimate performance.
The Edelbrock #60975 E-Tec cylinder head is replacements for 302, 327, 350 & 400 c.i.d. S/B Chevy engines with "Vortec-style" manifolds. They feature an LT1-style raised runner intake port design for increased air-flow and ultimate performance. A unique combustion chamber design positions the spark plug closer to the center of the cylinder, promoting a more efficient combustion resulting in more power. This cylinder head includes an adjustable rocker stud and guide plate set-up for use with adjustable rockers or washers to properly position the stud height to accommodate factory style self-aligning rocker arms. They have 20% more exhaust flow than a cast iron Vortec head, great performance up to 6000 rpm and can produce 9.5:1 compression with stock pistons in 350 cubic-inch engines. RPM E-Tec head is dual-drilled and will accept 1987-95 center bolt and/or 1986 & prior perimeter flange mount valve covers and most stock exhaust manifolds. E-Tec 170 head is 50-state street legal.
Specifications
| Construction Type | Complete |
| Rotor Center Bore Inside Diameter | Straight |
| 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. |
| Push Rod Diameter | (Suggested) 0.3125 IN |
| Valve Stem Diameter | 0.3438 IN |
| Rocker Arm Stud Diameter | 0.375 IN |
| Valve Spring Maximum Lift | 0.575 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 |
| Head Casting Number | 31-6097 |
| Horsepower | 350-450 HJ |
| Combustion Chamber Volume | 64 CCM |
| Exhaust Runner Volume | 70 CCM |
| Deck Height | 9.025 IN |
| Material | Aluminum |
| Valve Lock Material | Chromoly Steel |
| Guide Plate Material | Chromoly Steel |
| 9040 | D-215-94 |
| Family | E-Tec |
| Series | E-Tec |
| Seat Angle | Exhaust 45 deg/Intake 45 DD |
| Guide Plate Material | Hardened Steel |
| Camshaft Type | Hydraulic Roller |
| Guide Material | Manganese Bronze |
| Rocker Arms Included | No |
| Cylinder Head Gasket Included | No |
| Valve Cover Gasket Included | No |
| Mounting Hardware Included | No |
| CNC Ported | No |
| EGR Port | No |
| Grade Type | Performance |
| Quantity | Sold Individually |
| Exhaust Port Location | Standard |
| Valve Lock Material | Steel |
| Valve Spring Retainers Included | Yes |
| Valve Locks Included | Yes |
| Rocker Arm Studs/Bolts Included | Yes |
| Assembled | Yes |
| Guide Plates Included | Yes |
| Valve Springs Included | Yes |
| Valve Seals Included | Yes |
| Valves Included | Yes |
| Retainer Included | Yes |
⚠️ 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
Shipping Information
Free shipping is available for eligible orders.
Shipping: Free to the USA.
Orders are processed during normal business days. Delivery dates may vary by carrier and destination.
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