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AutoTec Products
  Small Block Chevy
  LS1 LS2 LS6 Flattop
  LS1 LS2 LS6 Inverted Dome
  4.000 Bore SBC Flattop
  4.000 Bore Inverted Dome
  SBC 4.000 Bore Dome Top
  4.125 Bore Flattop
  4.125 Bore Inverted Dome
  4.125 Bore Dome Top
  Big Block Chevy
  Big Block Chevrolet Flat Top
  Big Block Chevrolet
Inverted Dome
  Big Block Chevrolet
Small Dome
  Small Block Ford
  302 Flat Top
  302 Inverted Dome
  302 FT & INV Dome Twisted Wedge
  302 4000 Dome
  351 Windsor
  351 Windsor Inverted Dome
  351 Windsor Dome
  351 Cleveland Flat Top & Inv Dome
  Big Block Ford
  460 Ford Flat Top &
Inverted Dom
  Small Block Chrysler
  340 & 360 Flat Top
  340 & 360 Inv Dome
  Big Block Chrysler
  440 Flat Top
  Pontiac
  Small Block Pontiac Flattop
  Oldsmobile
  455 Oldsmobile Flattop

Small Block Pontiac Flattop
  • Pistons are manufactured on 4032 low expansion, high silicon material excellent for street or strip applications.
  • CNC Precision machined ring grooves for 1.5, 1.5, 3.0 rings unless otherwise indicated.
  • Top ring land gas distribution groove to enhance performance and improve ring seal.
  • 980-2700-51-15C wrist pin (145 grams), pin fitting, wire locks, broached pin oilers and accumulator grooves are included.
  • Diamond turned skirts.
  • Forged side relief with external lightening cavities.
Cubic Inch Bore Size Over Size Stroke Rod Length Comp. Height 72cc 80cc 87cc Dome Volume Gram Weight Foot Notes Piston Part Number Street Ring Set
400 Flattop. Standard Bore = 4.120, Standard Stroke = 3.750 1/16, 1/16, 3/16 Ring Package
406 4.150 0.030 3.750 6.625 1.700 10.8 9.9 9.3 -3.8 CALL 1000578
408 4.160 0.040 3.750 6.625 1.700 10.8 10.0 9.3 -3.8 CALL 1000579
428 Flattop. Standard Bore = 4.120, Standard Stroke = 4.000 1/16, 1/16, 3/16 Ring Package
433 4.150 0.030 4.000 6.625 1.575 11.4 10.5 9.9 -3.8 CALL 1000580
435 4.160 0.040 4.000 6.625 1.575 11.5 10.6 9.9 -3.8 CALL 1000581
455 Flattop. Standard Bore = 4.152, Standard Stroke = 4.210 1/16, 1/16, 3/16 Ring Package
463 4.185 0.033 4.210 6.625 1.470 12.2 11.2 10.5 -3.8 CALL 1000582
455 Stroker Flattop Pistons. 4.250 Stroke 1/16, 1/16, 3/16 Ring Package
468 4.185 0.033 4.250 6.800 1.275 12.3 11.3 10.6 -3.8 CALL R 1000583


 

 

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