CYLINDER HEADS - Chrysler - Big Block - Victor Max Wedge
Victor Max Wedge - 290cc
  • Intake ports are machined to match Max Wedge intake manifolds for RB competition big-block Chryslers
  • Intake ports are raised .650", exhaust ports are raised .250" for improved flow
  • The intake flange is extended .950" to eliminate the need for intake spacer plates
  • Exhaust flange is extended .300" from stock (same as Mopar Stage 6) featuring dry exhaust bolt holes with Helicoil® thread inserts
  • Sold without springs or retainers; use recommended springs to match your cam


Cylinder Head Specifications

Combustion chamber volume 75cc
Intake runner volume 290cc (Raised .650")
Exhaust runner volume 100cc (Raised .250")
Intake valve diameter 2.20"
Exhaust valve diameter 1.81"
Valve stem diameter 11/32"
Valve guides Manganese bronze
Deck thickness
Valve spring diameter N/A
Valve spring maximum lift N/A
Rocker stud N/A
Guideplate N/A
Pushrod diameter 3/8"
Valve angle 15°
Exhaust port location Raised .250"
Spark plug fitment 14mm x 3/4 reach, gasket seat
Made In USA




Technical Notes: For headers, contact TTI (951) 371-4878. Offset intake rockers required, exhaust side accepts standard-spec rockers. May require additional pushrod hole clearancing for some combinations. Bare heads will have valve guides & seats installed, but will require final sizing and a valve job to match the valves you will be using. These heads require the use of a 14mm x 3/4" reach, flat gasket spark plug with a heat range appropriate to your application.
 
Description Bare (Single) Complete (Single)
Victor Max Wedge 77939* 77949*
Valley cover for RB B/B Chrysler (413-440, 8.61" wide) N/A #7798
Valley cover for B B/B Chrysler (383-400, 7.58" wide) N/A #7799
NOTE: Complete head includes valves only; springs not included. Please consult your camshaft manufacturer for correct springs to match your camshaft and lifter combo.

Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench
#77949
Valve Lift .100" .200" .300" .400" .500" .600" .700"
Intake 85 150 211 261 298 322 325
Exhaust 63 118 160 189 207 219 226
* Not legal for sale or use on pollution controlled motor vehicles.
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