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800.979.0122

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Enginequest IMCA/WISSOTA Small Block Chevy Cylinder Heads

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Specs
Material Type:
Steel
Sold in Quantity:
Each
Finish:
Natural
Cylinder Head Style:
-
Spark Plug Style:
Straight
Port Style:
Square Port
Combustion Chamber:
76cc
Intake Runners:
-
Stud Diameter:
.38
Intake Valve Diameter:
1.94
Exhaust Valve Diameter:
1.50
Notes
Manufactures recommends using R5673-8 NGK or equivalent spark plugs. (373-133 or 373-134 Autolite).
Enginequest IMCA/WISSOTA Small Block Chevy Cylinder Heads
Enginequest IMCA/WISSOTA Small Block Chevy Cylinder Heads
Enginequest IMCA/WISSOTA Small Block Chevy Cylinder Heads
Enginequest IMCA/WISSOTA Small Block Chevy Cylinder Heads

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Details

Reviews

Q & A

What's in the Box

This head is engraved and serial numbered by Engine Quest for IMCAs Sport Mods, Stock Cars, and Hobby Stocks. Now approved for WISSOTA Midwest Mods and Street Stocks.

Assembled heads will include the following:
  • 3/8" screw in studs # 915-99156
  • 76 cc combustion chamber
  • 176-178 cc intake runners
  • Straight plug
  • 1.94/1.50 intake/exhaust valves #910-14140-1 & 910-14145-1
  • Available bare or assembled and blue printed
  • Heavy duty valves
  • Retainers and locks # 915-39741 & 577-555
  • 1.25" high-performance valve springs # 180-671515
  • Three angle valve job


Item Details

Straight Plug
1.94/1.50 Intake Valves

Customer Reviews

This product has no reviews.

Product Q&A

11 questions : 11 answers

1 answers

when will the EQ head for Midwest mods be available

kamke
Wisconsin, USA
January 12, 2015

when will the EQ head for Midwest mods be available

Answers

January 13, 2015
EricM
This cylinder head is the one that is called out in the Wissota Midwest Modified rules. It is EQ part number CH350I.
1 answers

do you offer was wondering if you can get these heads port and polished or not or if you offer this service

shorty38
Kansas, USA
November 03, 2013

do you offer was wondering if you can get these heads port and polished or not or if you offer this service

Answers

November 04, 2013
Jason
Sorry, Speedway does not offer any porting services at this time. If using this head for IMCA sport mod porting and polishing is not legal.
1 answers

what comes with the bare heads-seats-valve guides?

racer62
May 26, 2013

what comes with the bare heads-seats-valve guides?

Answers

May 28, 2013
Jason
Yes, the valve seats and guides are installed on bare heads.
1 answers

are these heads the same as the new wissota spec head and if they are will they be stamped wissota

streeter26
November 24, 2012

are these heads the same as the new wissota spec head and if they are will they be stamped wissota

Answers

November 26, 2012
Jason
This head is legal for IMCA, not Wissota. We currently offer part #30424361 & 8241112 for Wissota rules
1 answers

Do these head come as a set?

dubuque,ia
July 17, 2011

Do these head come as a set?

Answers

July 18, 2011
Jason
These cylinder heads are sold as each
1 answers

What brand of valves and springs are used on the assembled heads?

January 07, 2012

What brand of valves and springs are used on the assembled heads?

Answers

January 10, 2012
Jason
The valves are Speedway house valves part #91014140-1 and 94014145-1. The springs are Speedway springs part #180671515
1 answers

What is included on an assembled head - rocker arms, guide plates, polylocks ???

North Platte, NE
November 23, 2011

What is included on an assembled head - rocker arms, guide plates, polylocks ???

Answers

November 23, 2011
Jason
There is no rocker arms or polylocks included. You get valves, springs, retainers, keepers and rocker studs. There are no guide plates included but heads have holes cast in to guide pushrods.
1 answers

Is this head legal for the IMCA Hobby Stock class? Part number CH350I as stated in the rules?

November 23, 2011

Is this head legal for the IMCA Hobby Stock class? Part number CH350I as stated in the rules?

Answers

November 23, 2011
Jason
Yes, head must remain as produced, seat angles and valve size can not be changed
1 answers

Do the bare heads have a three angle valve job?

Uncle
June 25, 2015

Do the bare heads have a three angle valve job?

Answers

June 26, 2015
Eric
Expert
Yes these have a three angle valve job.
1 answers

Bought a set of these complete recently.....they both have a stamp RT on them....does this specify the right side or is that just a head number??? Or what?

Zach
August 03, 2015

Bought a set of these complete recently.....they both have a stamp RT on them....does this specify the right side or is that just a head number??? Or what?

Answers

August 04, 2015
Eric
Expert
These heads are universal for left or right. The stampings on them are identification from EQ and do not have any bearing on the use of them for the right or left side of the engine.
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