![1001179 RaceTec Forged Dome Piston Set for GM Gen IV LS7 Engines [4.125 in. Bore]](https://www.jegs.com/images/mini_750/600/613/613-1001179.jpg)
RACETEC PISTONSPART NUMBER: 613-1001179
1001179 RaceTec Forged Dome Piston Set for GM Gen IV LS7 Engines [4.125 in. Bore]
$98730$1097.00You Save$109.70
RaceTec Forged Piston SetGM Gen IV LS7 4.125 in. Bore Forged 2618 Aluminum 4.125 in. Stroke 6.125 in. Rod Length 1.052 in. Compression Height 6 cc Crown Volume 1.5 x 1.5 x 3.0 mm Ring Grooves Set of 8
RaceTec 1001179 RaceTec Dome Piston Set Features:
- Manufactured on 2618 material (FSR box style forgings, where noted) that will accept most extreme racing applications
- CNC Precision used in every manufacturing operation
- Valve pockets machined for oversized valves and high lift cams
- Critically machined ring grooves for 1.5mm, 1.5mm, 3.0mm rings
- 927-2250-51-15C wrist pins, pin fit, wire locks, broached double pin oilers, and accumulator groove are included at no extra charge
- Diamond tooling used throughout production including ring grooves and skirts
- Top ring land gas distribution grooves to enhance performance and improve ring seal
- Dyno tested and race track proven designs
RaceTec 1001179 RT Dome Piston Set Specs:
- Engine Family: GM Gen IV LS7
- Displacement reference: 441 cu. in. (7.2L)
- Bore: 4.125 in. Bore
- Stroke: 4.125 in.
- Rod Length: 6.125 in.
- Compression Height: 1.052 in.
- Crown Volume: 6 cc
- Piston Style: Dome
- Alloy: 2618
- Wrist Pin Diameter: 0.927 in.
- Ring Grooves: 1.5 mm Top, 1.5 mm Second, 3.0 mm Oil
RaceTec 1001179 RaceTec Dome Piston Set Notes:
- Requires RaceTec AT 4130 or AT 4135 Ring Set or Equivalent (Sold Separately)
- Compression Ratios:
- 13.3 @ w/68 cc Heads
- 13.0 @ w/70 cc Heads
- 12.7 @ w/72 cc Heads
- Includes oil rail supports
- Check rod small end dimensions before ordering
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)1.052
Bore (In)4.125
Wrist Pin StylePress or Full Floating
QuantitySet of 8
Piston Head Volume6cc
Engine Make/SizeGM Gen III/IV LS
Piston StyleDome
Compression Ratio68cc-13.3, 70cc-13.0, 72cc-12.7
Ring Thickness1.5 x 1.5 x 3.0 mm
Piston MaterialForged 2618
Pin Diameter (In)0.927
Part FitmentSemi Universal
Wrist Pin IncludedYes
Snap Rings IncludedYes
Vendor Part Number1001179
Package Qty1
Package TypeEA
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