305 Small Block 23º Flat Top

Piston Design

  • Advanced, lightweight FSR forging that eliminates stress concentrations for superior strength
  • Up to 20% lighter than traditional equivalent
  • High-silicon 4032 aluminum alloy for reduced piston-to-wall clearance and quiet operation
  • Accumulator grooves for improved ring seal
  • Designed for normally aspirated or moderate forced induction/nitrous applications
  • Now includes high performance skirt coating!
Part # Bore Stroke Rod Deck Head CC Comp. Ratio Comp. Height Crown Vol. Ring Set Head Type Series Stock Action
174002 3.766 3.480 5.700 9.000 58.0 9.2 1.560 0.00 - Inv Dome/Dish JE Pistons Back Order
174002 3.766 3.480 5.700 9.000 52.0 9.8 1.560 0.00 - Inv Dome/Dish JE Pistons Back Order
174002 3.766 3.480 5.700 9.000 64.0 8.5 1.560 0.00 - Inv Dome/Dish JE Pistons Back Order
174004 3.766 3.480 5.700 9.000 64.0 9.3 1.560 0.00 - Flat Top JE Pistons Back Order
174004 3.766 3.480 5.700 9.000 58.0 10.0 1.560 0.00 - Flat Top JE Pistons Back Order
174004 3.766 3.480 5.700 9.000 52.0 10.8 1.560 0.00 - Flat Top JE Pistons Back Order
170771 3.766 3.480 5.700 9.000 64.0 9.3 1.560 -5.00 J100F8-3766-5 Flat Top JE Pistons Back Order
170771 3.766 3.480 5.700 9.000 58.0 10.0 1.560 -5.00 J100F8-3766-5 Flat Top JE Pistons Back Order
170771 3.766 3.480 5.700 9.000 52.0 10.8 1.560 -5.00 J100F8-3766-5 Flat Top JE Pistons Back Order
170772 3.796 3.480 5.700 9.000 58.0 10.1 1.560 -5.00 J160F8-3796 Flat Top JE Pistons Back Order
170772 3.796 3.480 5.700 9.000 64.0 9.4 1.560 -5.00 J160F8-3796 Flat Top JE Pistons Back Order
170772 3.796 3.480 5.700 9.000 52.0 10.9 1.560 -5.00 J160F8-3796 Flat Top JE Pistons Back Order