Warnings
Sorry, you can only compare 10 items.

Would you like to replace your oldest item in the compare list?

Yes, add this item | No, view my current items

Summit Racing SUM-151124 - Summit Racing® Vortec Cylinder Heads

  • Cylinder Head, Vortec, Cast Iron, Assembled, 67cc Chamber, 170cc Intake Runner, Chevy, 5.7L, Each
  • Application Specific
  • Estimated Ship Date: Today
 
BrandSummit Racing
Manufacturer's Part NumberSUM-151124
Part TypeCylinder Heads
Product LineSummit Racing® Vortec Cylinder Heads
Summit Racing Part NumberSUM-151124
 
Cylinder Head StyleAssembled
Cylinder Head MaterialCast iron
Cylinder Head FinishNatural
Combustion Chamber Volume (cc)67
CNC-Machined Combustion ChamberNo
Intake Runner Volume (cc)170cc
CNC-Machined Intake RunnerNo
CNC-Machined Exhaust RunnerNo
Intake Port LocationStandard
Exhaust Port ShapeSquare
Exhaust Port LocationStandard
Spark Plug StyleStraight
Intake Valves IncludedYes
Intake Valve Diameter (in)1.940 in.
Exhaust Valves IncludedYes
Exhaust Valve Diameter (in)1.500 in.
Valve Springs IncludedYes
Maximum Valve Lift (in)0.520 in.
Outside Diameter of Outer Spring (in)1.250 in.
Damper Spring IncludedYes
Number of Springs Per ValveSingle
Retainers IncludedYes
Retainer MaterialSteel
Locks IncludedYes
Lock Style7 degree
Valve Stem Seals IncludedYes
Valve Stem Seal StyleUmbrella
Rocker Arm Studs IncludedYes
Rocker Arm Nut Thread Size3/8-24 in.
Rocker Arms IncludedNo
Rocker Arm Nuts IncludedNo
Guideplates IncludedNo
Valve Cover Mounting StyleCenterbolt
Accessory Bolt Holes DrilledYes
Valve Guides IncludedYes
Valve Guide MaterialCast iron
Valve Seats MachinedYes
Valve Seat Machine Style3-angle
Valve Seat MaterialDuctile iron
Steam Holes DrilledNo
Oiling StyleThrough pushrod
Machined for O-RingNo
Heat CrossoverNo
QuantitySold individually.
NotesVortec style cylinder heads must be used with Vortec style intake manifolds, no exceptions. Click the "Suggested Parts" tab for Vortec style intake manifold options. Machine work must be done to accommodate guide plates.
 

Deliver power-building airflow to your Vortec engine.

Are you looking for a good set of heads to up the performance factor of your Vortec engine? Our Summit Performance® Vortec cylinder heads have what it takes to get the job done. Featuring wide-open intake runners, efficient combustion chambers, and a high-performance valve job, these heads deliver all of the power-building airflow you need. Made from superior iron alloy, these heads come ready-to-run for improved performance straight out of the box.

Warranty

Summit Racing Equipment® warrants this product for 90 days from the date of purchase. Carburetors SUM-M08600VS, SUM-M08750VS, and SUM-M08750MS carry a 1-year warranty. If the product is used for racing or competition, this warranty is limited to manufacturer defects only; wear and breakage are not covered under any circumstances. If the product shows, in our opinion, evidence of being used or installed contrary to the instructions and/or subjected to improper handling, packaging, or shipping by the customer, it will not be covered by our limited warranty. The liability to Summit Racing Equipment® for losses or damages arising out of any cause whatsoever is limited to the full refund of the purchase price or, at our option, repair or replacement of the product(s). Summit Racing Equipment® shall not be liable for any consequential or incidental damages. Some states do not allow the exclusion or limitation of consequential or incidental damages, so the above limitation or exclusion may not apply to you.