HD Sprint Block

 

The BRODIX HD 410 sprint block is the latest creation in a long line of successful aluminum BRODIX blocks. We have listened to top engine builders and delivered the most durable and user-friendly sprint block in the industry. The fully lightened HD 410 sprint block is offered with several standard features that include: priority main oiling system, front oil pressure feed, front oil scavenge location, internal spring oiler port, and hot isostatic press (HIP) process. The HD 410 sprint block is the future of sprint car racing!

Side Lightening Option

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Block Part Numbers

Block Specifications

• 8B 1000 HD: 400 Main / 4.125 Bore
• 8B 1050 HD: 350 Main / 4.125 Bore

* Must Specify Bellhousing Style, Deck Height, Cam Bearing Style, and Cam Locations

• Made in the USA
• Proprietary A-356 Virgin Aluminum
• Strongest Main Webbing in the Business
• Raised Cam Location
• Choose From Wet or Dry Sump
• Fully Lightened
• No Provision for Starter on Sprint Car Blocks
• Late Model Bellhousing Only
• Head Studs Are Available From BRODIX
• Plug Kit Is Provided With the Block
• Raised Cam Block Is Available With Standard Pan Rail
• Best Block in the Industry
• Side Water Reverse Cooling
• Front Oil Scavenge
• Solid Front Water Pump Housing
• All O-Ring Fittings
• Moved Lifter Location
• Spark Plug Coolant Holes
• New Front Scavenge Location Eliminates the Need for External Tubes to Scavenge Entire Valley
• Front Oil Pressure Feed
• Fully Lightened

Cam Bearings

Main Caps

• Cam Bearings Are Sold Separately
• 55 mm Roller BearingsΔ

Δ Roller cam bearings use spiral locks on all cam bearings.

• 350 or 400 Mains
• Standard Light Steel and Titanium Main Caps
• All Rear Caps Are Available in Wet or Dry Sump
• Rear Main Seal: 350 - FP 2900, 400 - FP 2909

Stroke Clearance

Torque Specs

• 3.800

• Outside Main: 65 ft-lb
• Inside Main: 75 ft-lb
• Front and Rear Main: 30 ft-lb, 3/8 12 pt * All torque specs are based on use of light motor oil.

Cam Location

WARNING

• .391 Raised Cam Location

THE SLEEVES ARE LEFT ABOVE THE DECK OF THE BLOCK INTENTIONALLY. IT IS THE ENGINE BUILDER'S PREFERENCE WHETHER OR NOT TO SURFACE THE SLEEVES FLAT WITH THE DECK OF THE BLOCK.

Deck Height

• 8.820 - 9.020

Small Block Options

Part # Description
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SS BLK LITN Sides/SC Lighten Sides for Sprint Car
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SS BLK LITN Timing Cover Lighten Timing Cover Area (Front of Block)
SS BLK LITN Valley Lighten Lifter Valley
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SS BLK Mach .903 Lifter Bores Machine Small Block BRODIX Block for .903 Lifter Bores
SS BLK Mach Allpro Lifter Loca Machine Small Block BRODIX Block for Allpro Lifter Location
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Small Block Head Stud Kits

Part #

SK HSAP

 

Description

BRODIX ALUMINUM BLOCK HEAD STUD KIT FOR BRODIX AK SERIES AND ALL-PRO HEADS

HEAD STUDS ARE SOLD SEPARATELY

Small Block Cam Bearings

Part #

8B CAM BEARINGS 55 mm SPRINT

Description

CAM BEARING SET FOR 55 mm SPRINT BLOCK