1972 Chevrolet K20 Suburban Crankshaft Bolts

Your 1972 Chevrolet K20 Suburban might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Crankshaft Bolts you desperately need.

We currently carry 5 Crankshaft Bolts to choose from for your 1972 Chevrolet K20 Suburban, and our inventory prices range from as little as $7.99 up to $369.99.

On top of low prices, Advance Auto Parts offers 3 different trusted brands of Crankshaft Bolts for the 1972 Chevrolet K20 Suburban. We only sell parts from trusted brands like Mr. Gasket so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 78 reviews on our Crankshaft Bolts for the 1972 Chevrolet K20 Suburban from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Crankshaft Bolts stock in-person!

Crankshaft Bolts for Your 1972 Chevrolet K20 Suburban

Spectre – Harmonic Balancer Bolt (Part No.4699)

Harmonic Balancer Bolt

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$7.99
Spectre’s Harmonic Balancer Bolt Kit is designed to fit Chevrolet Small Block 265-400 V8 engines. This grade 8 bolt is 2-1/2 inches long, and features a plated finish for corrosion resistance. This kit also includes a security lock washer.

Product Features:
  • Fits Chevrolet Small Block 265-400 V8 engines
  • Features a corrosion resistant plated finish
  • Gold iridite finish
  • Grade 8 bolt, 7/16 inch-20 by 2-1/2 inches
  • Includes security lock washer
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Mr. Gasket – Ultra Seal; Harmonic Balancer Bolt/Washer Kit (Part No.945G)

Ultra Seal; Harmonic Balancer Bolt/Washer Kit

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$12.99
The grade 8 bolts feature high hex head to prevent socket slippage. The thick parallel ground washer allows accurate uniform torque. Black finished, complete with split lock washer to prevent loosening.

Product Features:
  • Has a zinc dichromate finish
  • Made of high quality grade 8 steel
  • Has a tall hex head to prevent slippage
  • Extra thick parallel ground washer
  • Washer provides more accurate and uniform torque
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Mr. Gasket – Ultra Seal; Harmonic Balancer Bolt/Washer Kit (Part No.7845)

Ultra Seal; Harmonic Balancer Bolt/Washer Kit

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$25.99
The grade 8 bolts feature high hex head to prevent socket slippage. The thick parallel ground washer allows accurate uniform torque. Black finished, complete with split lock washer to prevent loosening.

Product Features:
  • This bolt set has a black oxide finish
  • Tall hex head bolt to prevent slippage
  • Extra thick parallel ground washer
  • Washers provides more accurate and uniform torque
  • Grade 8 alloy steel
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ARP Auto Racing – For Use With Chevy Small Block, 5/8" Socket Size, 3/4" – 16 Thread Size (Part No.134-2501)

For Use With Chevy Small Block, 5/8" Socket Size, 3/4" - 16 Thread Size

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$36.49
As the crankshaft flexes and twists, the balancer absorbs incredible amounts of kinetic energy. To ensure that the balancer is locked in position, ARP has developed these ultra strong 200,000 PSI bolts that let you exert maximum clamping force. Special features include 1/4 Inch thick, wide area washer and an extra tall 12 point head that accepts a deep socket and eliminates the worry of stripping the head.

Product Features:
  • Ultra Strong Bolt Rated At 200,000 PSI
  • 1/4 Inch Thick, Wide Area Washer And An Extra Tall 12 Point Head That Accepts A Deep Socket And Eliminates The Worry Of Stripping The Head
  • Delivers ARP Quality And Reliability
  • Made In USA
  • 12-Point Head
  • Sold Individually
  • 200,000 PSI
  • 2.470″ Underhead Length
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ARP Auto Racing – For Use With Chevy Gen Iii/Ls Series Small Block/ Gmpp Lsx Block, Hex Head (Part No.234-5608)

For Use With Chevy Gen Iii/Ls Series Small Block/ Gmpp Lsx Block, Hex Head

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$369.99
There are many important reasons to use ARP main stud kits, including the elimination of main cap walk and fretting, as well as protecting the threads in your engine block. All kits come complete with hardened parallel ground washers and high quality nuts. Some applications have provisions for mounting wind age trays and have specially designed standoff studs with serrated lock nuts to position the wind age tray and lock it securely in place. The studs are manufactured from 8740 chrome moly steel, heat treated in-house to 200,000 Pounds Per Square Inch tensile strength, and precision J-form threads rolled after heat treat to create a fastener that has threads 1000 Percent stronger than others.

Product Features:
  • Kit Come Complete With Hardened Parallel Ground Washers And High Quality Nuts
  • Manufactured From 8740 Chrome Moly Steel
  • Heat Treated To 200,000 Pounds Per Square Inch
  • Precision J-Form Threads Rolled After Heat Treat To Create A Fastener That Has Threads 1000 Percent Stronger Than Others
  • 200,000 PSI
  • Sold As A Kit
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