Small Block Chevrolet Performance Head Bot Set

Heavy duty design, longer than stock, for use with or without head bolt washers.
•180,000 PSI material
•Longer than stock for use with washers (7/16" x .125")
•Improved wrench ability with 1/2" hex head

Qty	Head	Thread Size	Length to under head	Overall Length
14	6 pt	7/16 - 14	3.810" / 96.77 mm	4.270" / 108.45 mm
16	6 pt	7/16 - 14	1.660" / 42.164 mm	2.092" / 53.136 mm
4	6 pt	7/16 - 14	3.089" / 78.46 mm	3.550" / 90.17 mm

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Please read instructions before using.
In certain circumstances engine builders must use a sealer on the bolt threads because the bolts protrude through the water jackets of the cylinder block. We have found that these substances can act as lubricants and grossly affect the torque-tension values during installation. In some cases these substances can cause the bolt to experience tensile loads up to or over 18,500 lbs even though the torque wrench shows only 70 foot lbs.
All EngineQuest bolts are furnished with a phosphate and oil finish and NO additional lubrication is required. However, if sealants are needed, we caution that engine builders to use extreme care in order to avoid inadvertently over-torqueing of the bolts. Specifically, we recommend lowering the torque value to 55-60 foot lbs. when using a sealant.
CAUTION: Must check thread engagement when installing on aftermarket cylinder heads. A minimum of .500” of thread engagement is required. When used in Big Block Chevrolet Bowtie blocks you must bottom tap all threaded bolt holes.

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Shipping rate applies to continues 48 states in the United States only. – Lift Gate and Residential delivery subject to additional $50.00 surcharge on truck shipments.
FedEx is the primary shipping company for small parcel shipments (items under 70 lbs).. Standard delivery time is anywhere between 1 to 7 business days. Most items (items under 70 lbs ) have options for expedited shipping.

Alaska, Hawaii, Guam, Puerto Rico & Virgin Islands, please email for shipping rates.

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A Return Authorization is required. Our parts are aftermarket replacement designed to be used in our recommended applications, installing in non-recommended applications will void any warranty. Actual product may vary from the picture(s) provided. All returns are subject to a Restocking Fee of up to 20%. Only new, unused, 100% saleable condition Products are eligible to be returned.

Description & Pictures: We do our very best to accurately describe every product. We will not be held responsible for any listing errors or buyer assumptions. Some photos used are a representation of the item, not always exact item shipped. Please ask questions prior to purchase if you are unsure. We are not responsible for product changes made by manufactures.

“WARNING: This Product May Contains Chemicals Known To The State of California to Cause Cancer, And Birth Defects Or Other Reproductive Harm.”

visit the P65Warnings CA GOV website for more information

WARRANTY

ENGINEQUEST LLC LIMITED WARRANTY:

Original Equipment Manufacturer (OEM) Type Replacements - Subject to the terms of this warranty, ENGINEQUEST LLC warrants to the original purchaser that for 12 months from date of purchase from ENGINEQUEST or the length of the engine warranty, whichever is earlier, the product sold by us with this warranty shall be free of defects in material and workmanship under normal use and with periodic maintenance as recommended by the OEM subject to the following terms and conditions.

Non OEM-Type Replacements (including those designed for racing, performance and hot rod applications)- Subject to the terms of this warranty, ENGINEQUEST LLC warrants to the original purchaser that at the time of purchase, the product sold by us with this warranty shall be free of defects in material and workmanship. FOR CLARITY, THIS WARRANTY IS NO LONGER VALID AND ENGINEQUEST SHALL HAVE NO LIABILITY ONCE THE NON OEM-TYPE REPLACEMENT PRODUCT IS INSTALLED, MODIFIED OR USED.

TO THE EXTENT NOT PROHIBITED BY LAW, THESE ARE ENGINEQUEST'S ONLY WARRANTIES. EXCEPT FOR THE WARRANTY ABOVE AND TO THE EXTENT NOT PROHIBITED BY LAW, ENGINEQUEST MAKES NO WARRANTY WHATSOEVER WITH RESPECT TO ANY PRODUCT, INCLUDING, WITHOUT LIMITATION, ANY (i) WARRANTY OF MERCHANTABILITY; (ii) WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE; OR (C) WARRANTY AGAINST INFRINGEMENT; WHETHER EXPRESS OR IMPLIED BY LAW, COURSE OF DEALING, COURSE OF PERFORMANCE, USAGE OF TRADE OR OTHERWISE. SOME STATES DO NOT ALLOW DISCLAIMERS OF IMPLIED WARRANTIES, SO THIS DISCLAIMER MAY NOT APPLY TO YOU. TO THE EXTENT SUCH WARRANTIES CANNOT BE DISCLAIMED UNDER THE LAWS OF YOUR JURISDICTION, WE LIMIT THE DURATION AND REMEDIES OF SUCH WARRANTIES TO THE DURATION OF THIS EXPRESS LIMITED WARRANTY.

REMEDY: Subject to limitations listed herein, ENGINEQUEST, at its option, shall repair or replace a product during the warranty term after determination by ENGINEQUEST that the product is defective. In the alternative, at ENGINEQUEST’S option, ENGINEQUEST may refund the actual purchase price received by ENGINEQUEST for such product. These are the sole remedies available to purchaser. All repairs or replacements covered by this warranty must be authorized in advance by ENGINEQUEST. We assume no liability unless we are contacted before any work is done and agree in writing that it is authorized to be performed. The warranty period is not extended if ENGINEQUEST repairs or replaces the product.

LIMITATIONS: This warranty only applies to products originally supplied directly by ENGINEQUEST. This warranty is not transferrable and does not apply to or include any of the following: (1) damage as a result of an act of God, misuse, abuse, accident, over-heating, lack of lubrication, contamination, or improper use, installation, operation or maintenance; (2) repair or replacement of any accessory or service item, including but not limited to: (a) all components of the cooling, fuel, electrical and ignition systems; and (b) all belts, hoses, and filters; (3) any product used for competition, racing, performance, hot rod or similar or related purposes; (4) any product to which a device or accessory not conforming to original manufacturer's specifications has been installed or removed; (5) any product on which periodic maintenance services required by the OEM have not been performed; and (6) any product that has been modified or disassembled without the prior written authorization from ENGINEQUEST. To be valid, crankshaft warranty requires installation of new harmonic balancer at time of crankshaft installation.

LIMITED LIABILITY: ENGINEQUEST SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY (including, without limitation, for rental cars or towing fees), REGARDLESS OF WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, TORT, NEGLIGENCE, STRICT LIABILITY OR ANY OTHER THEORY OF LIABILITY, EVEN IF ENGINEQUEST HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Further, in no event shall the liability of ENGINEQUEST exceed the individual price of the product on which liability is asserted.