Save up to 40% on VR Forged wheel sets! - Shop Now
SEATS - AFFIRM
  See all Engine products

Dart Aluminum Chevy Big Blocks Steel Std. 10.2 4.6

$9,822.84 SALE: $9,528.15

Dart

Model #31264654


Shopper Award

Based on the Chevrolet big block V8 design, these new aluminum blocks feature extra strengthening in critical areas, increased displacement capacity, true priority main oiling and precision CNC machining. Conventional configuration that retains all production dimensions for compatibility with standard components

Features:

- Premium alloy: Dart aluminum blocks are cast from virgin 355-T61 aerospace alloy for superior strength and integrity

- Standard 9.800" and tall 10.200" deck heights available for stroker engines

- Standard 4.250" , 4.500" or 4.600" bore sizes with siamesed extra thick cylinder walls to resist cracking and improve ring seal (minimum .300" thick with 4.625" bore)

- Ductile iron sleeves with extra thick cylinder walls promote excellent ring seal

- Reinforcing ribs strengthen the lifter valley bellhousing flange

- Scalloped outer water jacket walls improve coolant flow around the cylinder barrels to equalize temperatures

- Inboard valley head stud bosses improve gasket sealing

- Priority main oiling system delivers oil directly to the crankshaft bearings to enhance reliability at high engine speeds

- Standard BBC cam bore, other options are also available

- Standard .842" BBC lifter bores, other options also available

- With or without distributor provision

- Steel 4 bolt main caps with splayed outer bolts for extra strength. Ductile iron or light-weight aluminum caps also available

- Mechanical fuel pump boss, clutch linkage mounts, and side and front motor mounts simplify installation in any chassis

- Dual oil pan bolt patterns fit standard and notched oil pans

- average weight 140lbs

Block Prep Options

Dart blocks are optionally available fully finish prepped. If you choose to order your block this way you can specify a final lifter spec and a final hone spec. Your block will be finish machined to your specs, final prepped and washed, pipe plugs and freeze plugs will be installed, then it will be bagged and boxed. Your block will arrive finished and ready to use!

Proposition 65

/!\ warningWARNING: Cancer and Reproductive Harm

https://www.P65Warnings.ca.gov

Who is Dart?

Dart machinery started in a humble environment. Dart was founded in Oak Park, Michigan, in 1981 in a two-car garage. Dart has developed into an established pioneer in re-market cylinder heads, intake control systems and motor blocks throughout the years after the company started a business using a desk and telephone.

Dart's Commitment to High Quality?

Dart is committed to assembling the best engine components available. All development, machining, and assembly are accomplished at Dart facilities to keep the highest quality measures. CNC, a computerized dynamometer, and the proprietary Maskin are updated to the state of the art technology advancement in the Dart engine production program. Engine program and daily interaction with leading engine builders and winning racers put Dart on the leading edge of technology

The original company products were aluminum Hemi cylinder heads that controlled the top fuel and funny car levels. These purpose-built heads granted the power that ultimately broke drag racing’s 300 mph barrier and designed the first four-second Funny Car elapsed time. In recent years, Dart spread-port Big Chief heads have set the measure in classes ranging from Pro Street to Pro Mod. The launch of the inexpensive Iron Eagle and the PRO 1 cylinder heads for large and small Chevy V8s, backed by aluminum- and cast-iron engine parts, is also continuing this tradition of innovation. Dart considering expanded its product line to include small-block Ford and Honda parts.

Dart at Vivid Racing

Dart was started with a desk, a telephone, and a dream. Dart today is the acknowledged pioneer in race-winning components development. Contact our sales team at (480) 966-3040.

Check out these other great products