Summit Racing™ HDR Thickwall Chromoly Pushrods

4.86 out of 5 stars 58 Customer Reviews

Summit Racing™ HDR premium thick-wall pushrods are a great upgrade for your engine. Factory pushrods (and even .080 wall aftermarket versions) act like a pogo stick

Summit Racing™ HDR premium thick-wall pushrods are a great upgrade for your engine. Factory pushrods (and even .080 wall aftermarket versions) act like a pogo stick in a running engine. Not only is static spring pressure working against them, it's also the valvetrain inertial mass increasing with RPM. This reduces power and valvetrain life. While a .080 thin-wall pushrod may not break, it doesn't mean it's the best option.

Enter the HDR's. Summit™ used FEA (Finite Element Analysis) in the initial testing. We didn't just compare them to thin-wall welded-ball factory pushrods, but with aftermarket models, as well. The results speak for themselves!

* The Summit™ HDR 5/16 x .105 wall pushrods have 20 percent less stress and 25 percent less deflection than a typical 5/16 x .080 chromoly pushrod
* The Summit™ HDR Pro LS 11/32 x .120 wall have 25 percent less stress and 28 percent less deflection than a typical 5/16 x .080 wall chromoly pushrod
* The Summit™ HDR 3/8 x .135 pushrods commonly used in big blocks has 15 percent less stress and 20 percent less deflection than a typical 3/8 x .080 wall chromoly pushrod

Summit Racing™ added other high-end features like 210 degree ball ends to cope with extreme lobe lift and clear the rocker and are available in multiple lengths.

* HDR 5/16 pushrods are offered in common LS, SBC, and SBF lengths
* HDR Pro LS 11/32 pushrods add .030 diameter AND .120 wall thickness over a 5/16. Although most LS engines came with 5/16 pushrods, 11/32 pushrods fit any stock or aftermarket cylinder head. The added thickness adds much needed strength to any LS cam swap or engine build. Being available in .025 in. increments allows for fine tuning of hydraulic lifter preload with the LS's non-adjustable rockers.
* HDR 3/8 pushrods fit the LS7 and common BB Chevy combinations. They have .135 wall thickness for maximum strength.

Pushrods are some of the best horsepower-per-dollar components in your engine, so step up to the HDR's for your build!

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14957400

Summit HDR LS1 LS2 LS3 LQ9 Pushrods 5/16 7.400 Length, Premium One-Piece .105 Wall 4130 Seamless Chromoly 210 degree ends, Heat-Treated, Set of 16

Part Number: SUM-14957400

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14917400

Summit HDR LS1 LS2 LS3 LQ9 11/32 7.400 Length, Premium One-Piece .120 Wall 4130 Seamless Chromoly Pushrods, 210 degree ends Heat-Treated, Set of 16

Part Number: SUM-14917400

5.0 out of 5 stars ( 3 )

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14957200

Summit HDR Pushrods Small Block Chevy 5/16 7.200 Length, Premium One-Piece .105 Wall 4130 Seamless Chromoly 210 degree ends Heat-Treated, Set of 16

Part Number: SUM-14957200

5.0 out of 5 stars ( 5 )

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14957800

Summit HDR Pushrods Small Block Chevy 5/16 7.800 Length, Premium One-Piece .105 Wall 4130 Seamless Chromoly 210 degree ends Heat-Treated, Set of 16

Part Number: SUM-14957800

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14957900

Summit HDR Pushrods Small Block Chevy 5/16 7.900 Length, Premium One-Piece .105 Wall 4130 Seamless Chromoly 210 degree ends Heat-Treated, Set of 16

Part Number: SUM-14957900

5.0 out of 5 stars ( 6 )

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14917350

Summit HDR LS1 LS2 LS3 LQ9 11/32 7.350 Length, Premium One-Piece .120 Wall 4130 Seamless Chromoly Pushrods, 210 degree ends Heat-Treated, Set of 16

Part Number: SUM-14917350

5.0 out of 5 stars ( 2 )

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14917425

Summit HDR LS1 LS2 LS3 LQ9 11/32 7.425 Length, Premium One-Piece .120 Wall 4130 Seamless Chromoly Pushrods, 210 degree ends Heat-Treated, Set of 16

Part Number: SUM-14917425

5.0 out of 5 stars ( 1 )

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-149382809250

Summit HDR Pushrods, Chevy BBC, 3/8 in., 8.280 Intake Length, 9.250 in. Exhaust Length, .135 wall Premium One-Piece, Heat-Treated, Set of 16

Part Number: SUM-149382809250

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14957300

Summit HDR Pushrods Small Block Chevy 5/16 7.300 Length, Premium One-Piece .105 Wall 4130 Seamless Chromoly 210 degree ends Heat-Treated, Set of 16

Part Number: SUM-14957300

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14957350

Summit HDR LS1 LS2 LS3 LQ9 Pushrods 5/16 7.350 Length, Premium One-Piece .105 Wall 4130 Seamless Chromoly 210 degree ends, Heat-Treated, Set of 16

Part Number: SUM-14957350

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14957375

Summit HDR LS1 LS2 LS3 LQ9 Pushrods 5/16 7.375 Length, Premium One-Piece .105 Wall 4130 Seamless Chromoly 210 degree ends, Heat-Treated, Set of 16

Part Number: SUM-14957375

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14938700

Summit HDR Pushrods Big Block Chevy 3/8 8.700 Length, Premium One-Piece .135 Wall 4130 Seamless Chromoly, 210 degree ends, Heat-Treated, Set of 8

Part Number: SUM-14938700

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14957050

Summit HDR Pushrods 5/16 7.050 Length, Premium One-Piece .105 Wall 4130 Seamless Chromoly 210 degree ends, Heat-Treated, Set of 16

Part Number: SUM-14957050

3.0 out of 5 stars ( 2 )

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14917500

Summit HDR LS1 LS2 LS3 LQ9 11/32 7.500 Length, Premium One-Piece .120 Wall 4130 Seamless Chromoly Pushrods, 210 degree ends Heat-Treated, Set of 16

Part Number: SUM-14917500

Not Yet Reviewed

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14958000

Summit HDR Pushrods 5/16 8.000 Length, Premium One-Piece .105 Wall 4130 Seamless Chromoly 210 degree ends Heat-Treated, Set of 16

Part Number: SUM-14958000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14917375

Summit HDR LS1 LS2 LS3 LQ9 11/32 7.375 Length, Premium One-Piece .120 Wall 4130 Seamless Chromoly Pushrods, 210 degree ends Heat-Treated, Set of 16

Part Number: SUM-14917375

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-149377508700

Summit HDR Pushrods, Chevy BBC, 3/8 in., 7.750 Intake Length, 8.70 in. Exhaust Length, .135 wall Premium One-Piece, Heat-Treated, Set of 16

Part Number: SUM-149377508700

Not Yet Reviewed

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14937800

Summit HDR Pushrods, Chevy 3/8 7.800 Length, Premium One-Piece .135 Wall Seamless 4130 Chromoly, 210 degree ends, Heat-Treated, Set of 8

Part Number: SUM-14937800

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14957500

Summit HDR LS1 LS2 LS3 LQ9 Pushrods 5/16 7.500 Length, Premium One-Piece .105 Wall 4130 Seamless Chromoly 210 degree ends, Heat-Treated, Set of 16

Part Number: SUM-14957500

Not Yet Reviewed

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14957000

Summit HDR Pushrods 5/16 7.000 Length, Premium One-Piece .105 Wall 4130 Seamless Chromoly 210 degree ends, Heat-Treated, Set of 16

Part Number: SUM-14957000

Not Yet Reviewed

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14938280

Summit HDR Pushrods Big Block Chevy 3/8 8.280 Length, Premium One-Piece .135 Wall 4130 Seamless Chromoly, 210 degree ends, Heat-Treated, Set of 8

Part Number: SUM-14938280

Not Yet Reviewed

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14957750

Summit HDR Pushrods Small Block Chevy 5/16 7.750 Length, Premium One-Piece .105 Wall 4130 Seamless Chromoly 210 degree ends Heat-Treated, Set of 16

Part Number: SUM-14957750

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14956250

Summit HDR Pushrods 5/16 6.250 Length, Premium One-Piece .105 Wall 4130 Seamless Chromoly 210 degree ends, Heat-Treated, Set of 16

Part Number: SUM-14956250

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14956700

Summit HDR Pushrods Small Block Ford 5/16 6.700 Length, Premium One-Piece .105 Wall 4130 Seamless Chromoly 210 degree ends, Heat-Treated, Set of 16

Part Number: SUM-14956700

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Summit Racing™ HDR Thickwall Chromoly Pushrods SUM-14937750

Summit HDR Pushrods, Chevy 3/8 7.750 Length, Premium One-Piece .135 Wall Seamless 4130 Chromoly, 210 degree ends, Heat-Treated, Set of 8

Part Number: SUM-14937750

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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