Nickel Spark Plug (AR33) by Autolite®. Without Resistor. OE Style. Want to upgrade the ignition system of your vehicle to get ultimate combustion and maximum horsepower? Step up to Autolite. Featuring the ground-breaking design, this product

Autolite AR33 Spark Plug

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Description

Nickel Spark Plug (AR33) by Autolite®. Without Resistor. OE Style. Want to upgrade the ignition system of your vehicle to get ultimate combustion and maximum horsepower? Step up to Autolite. Featuring the ground-breaking design, this product guarantees to deliver quick starts and provide peak performance. It was fabricated from novel materials with the help of up-to-date equipment to offer you the latest in quality and value.



Center Electrode Core Material: Copper

Center Electrode Design: Standard

Center Electrode Insulator Tip Projection: 0.133

Center Electrode Insulator Tip Projection: 3.4

Center Electrode Projection: Mid Projection

Center Electrode Tip Material: Nickel

Electrical Terminal Type: Non-Removable Nut

Grade Type: Performance

Ground Electrode Core Material: Nickel

Ground Electrode Quantity: 1

Ground Electrode Tip Design: Standard

Ground Electrode Tip Material: Nickel

Hex Size: 13/16

Hex Type: Hex

Indexed: No

Insulator Height: 60.5

Insulator Height: 2.383

Insulator Material: Ceramic

Manufacturer Heat Range: 11

Pre-Gap Size: 0.9

Pre-Gap Size: 0.034

Reach: 0.438

Reach: 11

Resistance: 1

Resistor Type: No

Seat Type: Tapered

Skirt: Yes

Thread Diameter: 18

Washer(s) Included: No
  • Engineered with a cut-back ground electrode that delivers optimal ignitability of the flame kernel and better heat transfer, leading to quicker starts.
  • The yttrium-enhanced alloy enables up to 8% reduction in ground wire temperature for colder heat ranges designed to enable performance modifications and handle intense conditions.
  • Designed with an anti-corrosive nickel-plating prevents rusting better than black oxide, allowing the plug to maintain its durability and efficiency.
  • Its high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength while preventing flash-over.

    		•
    Autolite® Racing spark plugs are engineered with a cut-back ground electrode, anti-corrosive nickel plating, and large ground electrode that deliver better heat transfer, ensuring maximum engine performance on the track.

    Vehicle Fitment Summary

    To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table. Also review the notes section in the Compatibility Chart for additional specifications about this part.

    Years
    		1966-1966
    Make
    		AC
    Model
    		427
    Submodel
    Type
    		Car
    Engine
    Engine Type
    Engine Size
    		427
    Engine Size (Cc)
    		-
    Engine Horsepower
    Fuel Type
    Transmission
    Interchange
    		BCDP 2127, BDDP 375, BBRH BF22, BCDP AP7IX, BBKH 409, BBRH SP481, BCDP AP7FS, BBKH RF9YC, BDDP 675, BCDP AP7VX, BBNF MA20P-U, BCDP A7FS, CNWR 8U2J12405APA, BSBB 18 K-6 BU, BBNF 5012
    Fitment
    		1966 | AC | 427 | | 7.0
    Vehicles
    		1966|AC|427|Base|7.0L 427Cu. In. V8 GAS OHV Naturally Aspirated^^1966|AC|427|Base|7.0L 427Cu. In. V8 GAS OHV Naturally Aspirated::Note:"OE Style; .025"/0.6mm; RWD" PartType:Spark Plug Mfrlabel:High Performance Racing Non-Resistor Spark Plug Quantity Required:8^^

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    For orders delivered within the continental US where the reason for return isn't a result of a Shop Tucky’s error, the cost of the initial shipping charge and a return fee will be deducted from your refund. If you refuse delivery or the carrier returns a package because you provided an invalid address, the cost of return shipping will be deducted from your refund.

    30-Day Return Policy

    We accept authorized returns within 30 calendar days from the date the product was received by the buyer. All returns must be preapproved and have a Return Merchandise Authorization (RMA) before returning. Any order that is returned with a reason of ‘Item not as described’ will not be refunded. All authorized returns must be unused and in their original packaging, including all items and components that were included in the original package. We will not accept items that have been disassembled, mounted, modified, or damaged due to incorrect installation or user error.


    If your shipment arrived with a damaged or incorrect item, please repackage the item in the original shipping container and refer to our Return Procedure. Upon receiving your order, inspect all packages thoroughly for missing, damaged, or incorrect parts. If you receive missing, damaged, or incorrect parts, please contact us immediately and provide pictures so we can assist you in processing a return for replacement or refund. We are not responsible for missing, damaged, or incorrect parts after 30 calendar days for all products, regardless of the party at fault. Shop Tucky’s will not be held responsible for installation or labor expenses, towing expenses, additional repair expenses, or rental car expenses caused by using the wrong or defective part during installation.

    For orders delivered within the continental US where the reason for return isn't a result of a Shop Tucky’s error, the cost of the initial shipping charge and a return fee will be deducted from your refund. If you refuse delivery or the carrier returns a package because you provided an invalid address, the cost of return shipping will be deducted from your refund. 

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