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- 1986 & Earlier Small Block Chevy 302-400ci
- Valve Springs for Mechanical Roller
- Port Volumes: 215cc/85cc
- Combustion Chamber size: 70cc
- Valve Sizes: 2.08"/1.60"
- Angled Spark Plug
- Assembled, Sold Each
These heads have .300' raised exhaust ports and hardened, ductile iron valve seats and phosphor bronze guides. A 9/16' thick deck surface provides superior gasket retention. Valves are 1-piece, stainless steel.
Installation Notes
To gain more spark plug clearance, Edelbrock recommends using Champion RC Series plugs, such as the RC12YC (P/N 192-49776). They are 0.230' shorter than conventional spark plugs and have a 5/8' hex for easier access. Due to valve-to-cylinder bore interference, SB-Chevy heads may not be used on engines with less than 4' bore (262, 265, 283, 305, 307 c.i.d.) except with camshafts having less than .450' valve lift.Combustion Chamber Volume: 70cc Intake Runner Volume: 215cc Exhaust Runner Volume: 85cc Intake Valve Diameter: 2.08' Exhaust Valve Diameter: 1.60' Valve Stem Diameter: 11/32' Valve Guides: Manganese Bronze Deck Thickness: 9/16' Valve Spring Diameter: 1.55' Valve Spring Maximum Lift: 0.670' Rocker Stud: 7/16" Guideplate: Hardened Steel Pushrod Diameter: 5/16' Valve Angle: 23° Exhaust Port Location: +.300 Spark Plug Fitment: 14mm x 3/4' Reach,
Gasket SeatValve Lift Intake Exhaust .100' 67 64 .200' 119 112 .300' 177 153 .400' 226 188 .500' 265 207 .600' 281 217 .700' 285 220 Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28' H2O
Since founder Vic Edelbrock Sr. began building performance intake manifolds in 1938, Edelbrock has grown into one of the most trusted names in American high-performance parts, from carburetors and intake manifolds to cylinder heads, crate engines, and EFI systems. JEGS has spent decades supplying Edelbrock components to racers, engine builders, and street enthusiasts, backing this extensive lineup with in-house technical support, fast shipping, and a Price Match Guarantee so you can choose proven Edelbrock parts with confidence.
These maximum power and affordable Edelbrock Victor Jr. cylinder heads have the potential to produce 530-580 horsepower right out of the box. All heads are sold individually, and part numbers 350-77579 and 350-77649 are bare heads with valves only. With 64cc chambers and a 12cc domed piston in a 350 engine, the compression ratio is approximately 12.5:1. In addition, these heads accept standard 23° valvetrain hardware.
Edelbrock Victor Jr. Cylinder Head Applications
- Small Block Chevy 302-400 (Competition and High-Performance Street)
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Features:
- Combustion Chambers: 64cc or 70cc
- Intake Runner Volume: 215cc
- Exhaust Runner Volume: 85cc
- Intake Valve Diameter: 2.08"
- Exhaust Valve Diameter: 1.60"
- Valve Stem Diameter: 11/32"
- Valve Guides: Manganese Bronze
- Deck Thickness: 9/16"
- Valve Spring Diameter: 1.55"
- Maximum Lift: .650"
- Rocker Stud: 7/16"
- Guide plate: Hardened Steel
- Pushrod Diameter: 5/16
- Valve Angle: 23&
- Exhaust Port Location: Raised .300"
- Spark Plug: 14mm x 3/4 Reach, Gasket Seat
- Made In The USA!
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