Auto Tec 1000693 Big Block Chevy 565 CI Forged Dome Race Pistons Standard Deck

RaceTec™ Pistons are designed and engineered by true piston experts?experts who understand the intricate and complex automotive aftermarket industry, and more directly performance engine applications like no other manufacturer does. Our State Of The Art designs utilize knowledge gained throughout our combined years in the automotive racing and piston industries.

We are also the only piston company that is using a state of the art D.T.S. Engine Dyno to help in the development of our designs. Having our in house dyno along with our customers to develop and refine piston design has helped us to deliver a superior product. Considerable design and manufacturing experience and expertise have been implemented to deliver the tolerances expected by the highest level of race engine builders and yet ?keeping it user friendly? to accommodate the entry level and Saturday night racer.

Auto Tec pistons are manufactured on a forged side relief, 4032 low expansion, high silicon material excellent for street/strip applications. Auto Tec pistons piston offer standard features like broached pin oilers for increased wrist pin lubrication, accumulator grooves, pin fitting wrist pins, wire locks included and 990-2800-51-15C wall wrist pin included. Auto Tec pistons have CNC Machined ring grooves that accept 1.5, 1.5, 3mm rings (Rings Sold Separately)

Compression Ratio:
112cc 13.3:1
118cc 12.5:1
124cc 11.8:1
Note: These dome profiles will not fit Edelbrock Performer, Performer RPM or G.M. Signature Series cylinder heads. Oil rail supports included. 10.200 Tall deck blocks.

Bore Size: 4.600
Crankshaft Stroke: 4.250
Rod Length: 6.535
Piston Type: Dome
Compression Height: 1.120
Piston Material: 4032 Forged
Piston Ring Size: 1.5 1.5 3.0mm
Wrist Pin Size: 0.990