![1000596 AutoTec Forged Flat Top Piston Set for GM Gen III/IV LS 15-Degree Engines [4.005 in. Bore]](https://www.jegs.com/images/mini_750/600/613/613-1000596.jpg)
RACETEC PISTONSPART NUMBER: 613-1000596
1000596 AutoTec Forged Flat Top Piston Set for GM Gen III/IV LS 15-Degree Engines [4.005 in. Bore]
$64620$718.00You Save$71.80
AutoTec Forged Piston SetGM Gen III/IV LS 15-Degree 4.005 in. Bore Forged 4032 Aluminum 3.622 in. Stroke 6.125 in. Rod Length 1.315 in. Compression Height -3.3 cc Crown Volume 1.5 x 1.5 x 3.0 mm Ring Grooves Set of 8
Racetec 1000596 AutoTec Flat Top Piston Set Features:
- Manufactured from low-expansion, high-silicon, 4032 material with side reliefs that's excellent for street or strip applications
- CNC Precision machined ring grooves for 1.5mm, 1.5mm, 3.0mm rings
- Top ring land gas distribution groove to enhance performance and improve ring seal
- 927-2250-51-15C wrist pins or 945-2250-51-15C as indicated, pin fitting, wire locks, broached pin oilers, and accumulator groove are included at no extra charge
- Diamond turned skirts
- Forging designed to clear reluctor wheel in all stroker applications
RaceTec 1000596 Autotec Flat Top Piston Set Specs:
- Engine Family: 15-Degree GM Gen III/IV LS
- Displacement reference: 365 cu. in. (6.0L)
- Bore: 4.005 in.
- Stroke: 3.622 in.
- Rod Length: 6.125 in.
- Compression Height: 1.315 in.
- Crown Volume: -3.3 cc
- Piston Style: Flat Top w/2 Valve Reliefs
- Alloy: 4032
- Wrist Pin Diameter: 0.927 in.
- Ring Grooves: 1.5 mm Top, 1.5 mm Second, 3.0 mm Oil
RaceTec 1000596 AutoTec Flat Top Piston Set Notes:
- Requires RaceTec AT 4005 Ring Set or Equivalent (Sold Separately)
- Compression Ratios:
- 11.2 @ w/60 cc Heads
- 10.7 @ w/64 cc Heads
- 9.9 @ w/71 cc Heads
- Deck of part will extend above deck of block
Part TypePiston
BrandRACETEC PISTONS
Package Height6.0
Package Width12.0
Package Length12.0
Weight12.0 PG
Part CategoryPerformance Parts
Pin Lock Rings IncludedYes
Compression Height (In)1.315
Bore (In)4.005
Wrist Pin StylePress or Full Floating
QuantitySet of 8
Piston Head Volume-3.3cc
Engine Make/SizeGM Gen III/IV LS
Piston StyleFlat Top
Compression Ratio60cc-11.2, 64cc-10.7, 71cc-9.9
Ring Thickness1.5 x 1.5 x 3.0 mm
Piston MaterialForged 4032
Pin Diameter (In)0.927
Part FitmentSemi Universal
Wrist Pin IncludedYes
Snap Rings IncludedYes
Vendor Part Number1000596
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
Some parts are not legal for use in California or other states with similar laws / regulations
![Engine Assembly Lube [4 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28000.jpg)




![Break-In/Engine Oil Supplement [12 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28060.jpg)

![Fender Cover with Pocket [23 in. W x 31 1/2 in. L]](https://www.jegs.com/images/mini_200/500/555/555-65010.jpg)

![Rotating Engine Stand [1000 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-80059.jpg)

![Round Magnetic Parts Tray [5 1/2 in. Round]](https://www.jegs.com/images/mini_200/500/555/555-80080.jpg)




![Heavy-Duty Nitrile Gloves [7 mils Thick, Large]](https://www.jegs.com/images/mini_200/500/555/555-1124.jpg)
![Rolling Work Table [200 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-81420.jpg)

