AUTOTEC BIG BLOCK FORD BOSS 429 FORGED PISTON SET (PART #RTC-1000777)

RaceTec AutoTec Forged Pistons

RaceTec's AutoTec line of forged pistons offers high-quality, precision manufactured options at competitive pricing. The primary material used for AutoTec pistons is 4032 high-silicone aluminum alloy which is extremely durable, has great wear resistance, a low expansion rate, and is very low in friction.

The most common applications for AutoTec pistons include muscle car restorations, performance street rods, as well as many spec racing classes. They can also withstand mild nitrous kits, small turbos, or superchargers. A large selection of sizes and styles is available. Choose the proper fit for your application build.

Additional features for most pistons in the AutoTec line:

  • CNC Precision machined ring grooves
  • Top ring land gas distribution groove to enhance performance and improve ring seal
  • Wrist pins, pin fitting, wire locks, broached pin oilers, and accumulator groove are included
  • Diamond turned skirts

SPECIFICATIONS

Engine Family Big Block Ford BOSS 429
CID/Ltr 545/8.9
Bore Inch 4.39
Bore mm 111.51
Stroke Inch 4.5
Stoke mm 114.3
Rod Length 6.7
Comp Dist 1.32
Crown Volume -5cc
CR 2 10.9 @ 95cc
Alloy 4032
Weight Call
Pin 0.99
Oil Rails Included N/A
Top Ring 1/16"
2nd Ring 1/16"
Oil Ring HT 3/16"
Piston Style Flat Top, one valve relief

More From This Category

SPEED PRO Pistons, Hypereutectic, Flat, 4.000 in. Bore, 3.75 in. Stroke, 383ci SB For Chevrolet, Each (Minimum Order Qty 8)

SPEED PRO Pistons, Hypereutectic, Flat, 4.000 in. Bore, 3.75 in. Stroke, 383ci SB For Chevrolet, Each (Minimum Order Qty 8)

$44.96

MANLEY Piston, Coated, 1.115 in. Compression Distance, 4.125 in. Bore Size, -10cc Dish, Coated, For Chevrolet SB, Each

MANLEY Piston, Coated, 1.115 in. Compression Distance, 4.125 in. Bore Size, -10cc Dish, Coated, For Chevrolet SB, Each

$236.53

MANLEY Piston, Coated, 3.917 in. Bore Size, 14cc Dish, HEMI 5.7, Set of 8

MANLEY Piston, Coated, 3.917 in. Bore Size, 14cc Dish, HEMI 5.7, Set of 8

$1,892.22

Diamond Piston, SB Ford Windsor 427ci, 4.125 Bore, 1.270 Compressed Height, -6.0cc, Street Strip Flat Top Series, Set of 8

Diamond Piston, SB Ford Windsor 427ci, 4.125 Bore, 1.270 Compressed Height, -6.0cc, Street Strip Flat Top Series, Set of 8

$1,399.00 $2,008.78

30% OFF
KB Piston, 4.125 in. Bore, For Chevrolet 400, Rod 5.700, Flat Top +7cc 2V, .STD Oversized, w/ Rings, Each

KB Piston, 4.125 in. Bore, For Chevrolet 400, Rod 5.700, Flat Top +7cc 2V, .STD Oversized, w/ Rings, Each

$1,121.98

SPEED PRO Pistons, Each Forged, Flat, 4.320 in. Bore, BB For Chrysler 440ci Flat Top, Each (Minimum Order Qty 8)

SPEED PRO Pistons, Each Forged, Flat, 4.320 in. Bore, BB For Chrysler 440ci Flat Top, Each (Minimum Order Qty 8)

$124.25