![1000975 RaceTec Forged Flat Top Piston Set for GM Gen III/IV LS 15-Degree Extreme Duty FSR Engines [3.905 in. Bore]](https://www.jegs.com/images/mini_750/600/613/613-1000975.jpg)
RACETEC PISTONSPART NUMBER: 613-1000975
1000975 RaceTec Forged Flat Top Piston Set for GM Gen III/IV LS 15-Degree Extreme Duty FSR Engines [3.905 in. Bore]
$98730$1097.00You Save$109.70
RaceTec Forged Piston SetGM Gen III/IV LS 15-Degree Extreme Duty FSR 3.905 in. Bore Forged 2618 Aluminum 3.622 in. Stroke 6.098 in. Rod Length 1.340 in. Compression Height -5 cc Crown Volume 1.5 x 1.5 x 3.0 mm RG Set of 8
Racetec 1000975 RaceTec Flat Top Piston Set Features:
- Manufactured on 2618 material internally and externally braced boxed forgings 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
- Top ring land gas distribution grooves to enhance performance and improve ring seal
- 927-2250-51-18C Chromoly 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 for unrivaled tolerance control and finish
- Dyno tested and race track proven designs
RaceTec 1000975 Racetec Flat Top Piston Set Specs:
- Engine Family: 15-Degree GM Gen III/IV LS Extreme Duty FSR
- Displacement reference: 362 cu. in. (5.9L)
- Bore: 3.905 in.
- Stroke: 3.622 in.
- Rod Length: 6.098 in.
- Compression Height: 1.340 in.
- Crown Volume: -5 cc
- Piston Style: Flat Top w/2 Valve Reliefs
- Alloy: 2618
- Wrist Pin Diameter: 0.927 in.
- Ring Grooves: 1.5 mm Top, 1.5 mm Second, 3.0 mm Oil
RaceTec 1000975 RaceTec Flat Top Piston Set Notes:
- Requires RaceTec AT 3905 Ring Set or Equivalent (Sold Separately)
- Compression Ratios:
- 10.9 @ w/64 cc Heads
- 10.4 @ w/68 cc Heads
- 10.2 @ w/70 cc Heads
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)1.34
Bore (In)3.905
Wrist Pin StylePress or Full Floating
QuantitySet of 8
Piston Head Volume-5cc
Engine Make/SizeGM Gen III/IV LS
Piston StyleFlat Top
Compression Ratio64cc-10.9, 68cc-10.4, 70cc-10.2
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 Number1000975
Package Qty1
Package TypeEA
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