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Description
JE LS2 Ultra Asymmetrical FSR Dish Top Forged Piston (J361729)LS2 4. 005" PISTONS 12. 5cc DIS 4. 005" bore, 4. 000" stroke, 6. 125" rod length, 12. 5cc dome volume Part Number: J361729 We have redesigned and expanded our GM LS1 series product lines! These new pistons utilized our dedicated Forged Side Relief (FSR) forging that was specifically designed for high output GM LS1 series engines. In addition we have found ways to reduce weight and maintain the durability needed for both street and racing use.
LS2 4.005" PISTONS -12.5cc DIS
4.005" bore, 4.000" stroke, 6.125" rod length, -12.5cc dome volume
Part Number: J361729
We have redesigned and expanded our GM LS1 series product lines! These new pistons utilized our dedicated Forged Side Relief (FSR) forging that was specifically designed for high output GM LS1 series engines. In addition we have found ways to reduce weight and maintain the durability needed for both street and racing use. Lightweight and extremely durable, these pistons are machined for 1.5mm, 1.5mm, 3.0mm rings. Wrist pin upgrade recommended above 800hp.
Includes:
- Pin #927-2250-15-51C (106g)
- Round Wire Locks # 927-073-MW
Features:
- Accumulator Grooves
- Double Pin Oilers
- Offset Wrist Pin
Piston Specifications
- Make: CHEVROLET
- Engine: CHEVROLET LS GEN III/IV
- Bore Diameter: 4.005
- Compression Height: 1.115
- Compression Ratio with 64cc chamber volume: 10.4
- Compression Ratio with 68cc chamber volume: 10.0
- Compression Ratio with 70cc chamber volume: 9.8
- Piston Volume: -12.5
- Cylinder Head: LS 12 DEG/15 DEG COMBO VR
- Piston Pin Outside Diameter: 0.927
- Piston Pin Length: 2.250
- Piston Pin Material: 9310
- Ringset Included: No
- Top Compression Ring Thickness: 0.0475
- Second Compression Ring Thickness: 0.06
- Oil Ring Thickness: 0.149
- Piston Material: 2618
- Forging Type: FSR
- Piston Avg Weight: N/A
- Pin Wall Thickness: 0.200
- Piston Type: Dish
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy