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BBC CHEVY ALUMINUM CYLINDER HEADS 320CC RACE 454 502 For Sale


BBC CHEVY ALUMINUM CYLINDER HEADS 320CC  RACE 454 502



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BBC CHEVY ALUMINUM CYLINDER HEADS 320CC RACE 454 502 :
$979

Complete AssembledPair of

AluminumBig Block ChevyHeads

Square 320cc Intake port

115cc chambers withimproved flow

Exhaust ports raised for enhanced flow

DOMESTIC VALVES,SPRINGS, RETAINERS, GUIDE PLATES and STUDS USED IN BUILDOF HEADS

Will fit 366, 396, 402, 427, 454, 502 and stroker versions of.

Fits Mark IV, V and VI blocks with using correct head gaskets

Stronger Pressure casted Aircraft grade 356A aluminum alloy heat treated to T6 specs.newer process with less porousity and better consistance of port sizing

  • Harden valve seats
  • Bronze valve guide
  • Standard accessory bolt holes
  • Plus .400 thick deck for severe uses

2.250 intake valves

1.880 exhaust valves

  • Valves are one pieceforging EV-8 stainless steel alloy
  • Harden chrome plated stems
  • Undercut stems powerflow design for improved flow
  • Fully machined and swirl polished stems
  • Harden tips NO lash caps required

Valve springs

1.510 Diameter (Dual spring for Hyd. flat tappet)

110lbs at 1.900" installed height

310lbs at 1.300" open pressure(.600 Lift)

Max. lift .600

If your application requires different springs then shown just Email us for more information about this itemand we will quote if price is different CGMMOTORSPORTS@CGMMOTORSPORTS.COM

We machine andassemble all heads in our shop to your application using high quality parts

  • High temperature Positive viton valve seals for superior oil control
  • 3/8" guideplates high quality heat treated steel
  • 7/16" screw in rocker studs 190,000psi
  • 7 degree chrome moly retainers to match springs
  • 7 degree 11/32" valve locks
  • Harden spring cups and/or shims

5 angle intake valve seat and radius exhaust seat for improved flow

These Heads flow over 750HP without porting work!!!

Thats over 360cfm at .650 lift

Check out our other cylinder heads and engine kit sales

We are a premier High performancemachine shop with over 20 years in business. All heads are inspected and machine work done in our shop. We DO NOTjust assemble these heads each set is machined andbuilt to the buyers application.Buyer responsible for application and fitment like any HP parts. If you have any question please contact us..

e-mail us with your questions about this item: CGMMOTORSPORTS@CGMMOTORSPORTS.COM

or call us about this item at

Phone: 410-766-Shop(7467)

International shipping will be quoted just Email us!!!

FEED YOUR NEED FOR SPEED WITH US!!!!!

We are CGMmotorsports in the .com world ~ For more information, see you on the web.

CGM Motorsports

8211 Cloverleaf Dr.

Millersville, Maryland 21108

(410)766-SHOP(7467)


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