The Edelbrock #609019 Performer cylinder head is designed for 302, 327, 350 and 400 cid small-block Chevy engines up to 1986. This cylinder head includes your choice of 64cc (In order to retain stock compression ratio on 1970 and earlier small-blocks) or 70cc combustion chambers and high flow intake and exhaust ports. A Complete head includes larger-than-stock 1.46" valve springs to handle most high-lift cams. This head retains the stock intake port location for compatibility with standard manifolds and headers. Heat crossover is machined for 50-state emissions legal performance.
Specifications:
| Description_ABR |
Cyl. Head |
| Description_ASM |
Chevrolet:Small-Block Gen I:302 (4.9L)/327 (5.4L)/350 (5.7L)/400 (6.6L) |
| Description_DEF |
Engine Cylinder Head |
| Description_INV |
Edelbrock SBC Cylinder Head |
| Description_EXT |
Edelbrock #609019 Performer Cylinder Head for Small-Block Chevrolet Features 2.02" Intake Valve, 64cc Chambers, & Valve Springs Hydraulic Flat Tappet Cam, Polished, Complete, Single |
| Description_LAB |
Performer Small-Block Chevy Cylinder Head 64cc Flat Tappet Polished |
| Description_MKT |
The Edelbrock #609019 Performer cylinder head is designed for 302, 327, 350 and 400 cid small-block Chevy engines up to 1986. This cylinder head includes your choice of 64cc (In order to retain stock compression ratio on 1970 and earlier small-blocks) or 70cc combustion chambers and high flow intake and exhaust ports. A Complete head includes larger-than-stock 1.46" valve springs to handle most high-lift cams. This head retains the stock intake port location for compatibility with standard manifolds and headers. Heat crossover is machined for 50-state emissions legal performance. |
| Description_TRA |
EQUIPPED WITH SPRINGS FOR USE IN HYDRAULIC FLAT TAPPET CAMSHAFT APPLICATIONS |
| Description_TRA |
Match with Edelbrock head gasket |
| Description_TRA |
When using hot air choke Q-Jet carbs and Performer manifold with above heads, choke kit #1932 is required. |
| Description_TRA |
Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. |
| Valve Included |
Yes |
| CNC Ported |
No |
| Series |
Performer |
| Valve Angle |
23 |
| Spark Plug Reach |
0.750 |
| Guide Plates Included |
Yes |
| Rocker Arm Stud Diameter |
0.375 |
| Spark Plug Seat Type |
Flat |
| Spark Plug Thread Diameter |
14 |
| Quantity |
Sold Individually |
| EGR Port |
Yes |
| Valve Spring Maximum Lift |
0.575 |
| Deck Thickness |
0.5625 |
| Construction Type |
Complete |
| Grade Type |
Performance |
| Finish |
Polished |
| Valve Spring Diameter |
1.46 |
| Family |
Performer |
| Camshaft Type |
Flat Tappet |
| Head Casting Number |
N/A |
| Horsepower |
300-450 |
| Combustion Chamber Volume |
64 |
| Valve Springs Included |
Yes |
| Seat Material |
Ductile Iron |
| Seat Angle |
Exhaust 45 deg/Intake 45 |
| Spark Plug Hex Size |
14 |
| Guide Plate Material |
Hardened Steel |
| Retainer Included |
Yes |
| Exhaust Port Location |
Standard |
| Intake Valve Diameter |
2.02 |
| Rotor Center Bore Inside Diameter |
Straight |
| Intake Runner Volume |
185 |
| Guide Material |
Manganese Bronze |
| Material |
Aluminum |
| Exhaust Valve Diameter |
1.60 |
| Push Rod Diameter |
(Suggested) 0.3125 |
| Exhaust Runner Volume |
65 |
| 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 Stem Diameter |
0.3438 |
| Length |
7.0000 |
| Width |
10.0000 |
| Height |
22.0000 |
| Weight |
30.0000 |
