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Verified Google Reviews
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The experience was excellent. My part came sooner than expected and was exactly as advertised. This is how a business should be run. I would give 6 stars if I could, thank you HDPC

— Taylor Mather
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It's hard to believe no one has reviewed these guys yet. Very professional and detailed company it was a pleasure doing business with you. The answered the phone every time I called or answered every email in a timely manner! I will definitely use them for all my cylinder head needs moving forward. Thank again!

— Chris Burch
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They supplied me with a perfect set of heads to bring my 1999 Ford Ranger back to life. Ranger Frank has been in the family since the day he rolled off the showroom floor. Its great to have him back on the road.

— Ron Long
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Parts arrived as promised. Ported heads gave me that low end torque and high rev HP I was looking for! ...if only I did the cam at the same time.

— Kempson Wall

New Premium HDPC Pushrods for Gen III/IV LS Engines Set of 16

$75.00

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Additional Info

Brand New Cast 4.2L AMC Jeep Stroker Steel 3.895″ Crankshaft

Upgrade your AMC Jeep engine with this high-performance 3.895″ Stroker Crankshaft, engineered for maximum power delivery and reliability.

This is a brand-new, lightweight cast steel crankshaft designed for 4.2L AMC Jeep engines. Featuring a 3.895″ stroke, it is the ideal choice for stroker applications, significantly reducing rotational mass to improve acceleration and engine response.

šŸ› ļø In-House Machining Process

  • Debris-Free Preparation: Every new casting is chemically cleaned and blown out to remove all residual machining oils, metal shavings, and manufacturing debris. This ensures your oiling system remains uncontaminated from the first start-up.
  • In-House Precision Machining: Unlike “shelf-stock” parts, we perform final inspections and precision verification in-house. This ensures perfect geometry and clearances before the crankshaft reaches your engine block.
  • Dimensional Inspection: Our technicians perform a multi-point inspection of the journals and snout alignment. This ensures the crankshaft meets tight OEM and performance tolerances for a flawless fit.
  • Balance Verification: Every crankshaft is verified for internal balance, reducing engine vibration and ensuring smooth operation even at higher RPMs.
  • Surface Integrity Testing: We verify that the casting is free of porosity or internal defects that could compromise the strength of the journals under high-stress driving conditions.

šŸ“Š Technical Specifications

  • Condition: Brand New Casting
  • Engine Compatibility: 4.2L AMC Jeep Engines
  • Stroke: 3.895 in.
  • Material: Lightweight Cast Steel
  • Engine Balance: Internal
  • Rear Main Seal Style: 2-piece
  • Rod Journal Diameter: 2.095 in.
  • Main Journal Diameter: 2.500 in.
  • Crankshaft Snout Style: Standard
  • Special Requirements: Requires Narrow Bearings
  • Weight Feature: Lightened design for quicker engine response

🚘 Common Applications

Ideal for AMC/Jeep Stroker Builds:

  • Jeep Wrangler (YJ / TJ): 4.2L based stroker builds
  • Jeep CJ-5 / CJ-7 / CJ-8 Scrambler: 4.2L upgrades
  • Jeep Grand Wagoneer / Cherokee (SJ): 258ci / 4.2L engines
  • AMC Eagle / Concord / Pacer: 4.2L Inline-6 performance upgrades

šŸ“¦ Shipping & Warranty

  • Shipping: Securely packaged and ready for immediate dispatch. Fits 4.2L applications perfectly for stroker conversions.
  • Warranty: Includes a 2-Year Unlimited Mileage Warranty against manufacturing defects. Click here for Warranty details.

Dedicated to Customer Satisfaction

What sets us apart from the competition is our dedication to customer satisfaction. We strive to make your shopping experience as seamless and convenient as possible. Our user-friendly online platform allows you to browse our comprehensive inventory, compare products, and place orders with ease. With secure payment options and swift shipping, you can trust that your order will arrive promptly, minimizing downtime and maximizing productivity.

Price
$75.00
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