JE Pistons / SRP · 315551
Part #: 315551
UPC: 193564244635
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Description: Piston Set, 2618, Dome, 3.790 Bore, 1.314 CD, 0.945 Pin, Set of 8.; SRP Pro 2618, Chevrolet, LS Gen III/IV, 3.790 in. Bore, 1.314 CD, Dome, 8 Cyl. Piston Kit
Description:
Description
Accumulator Groove, Pin Fit, and Skirt Coat.
Features & benefits
- Forged in the USA using 2618 aluminum, yielding tensile strength and minimal thermal expansion
- Designed specifically for GM LS/LR4 Engines. To provide optimized performance durability
- Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin
- Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
- Made 100% in the USA
- Accumulator Groove: A specialty groove between the top and second ring provides added volume for blow-by gases. This helps reduce pressure between the rings, improving top ring seal and minimizing ring flutter at high cylinder pressures.
- Pin Fit: The pin bore is precision honed to attain an exact pin clearance. Clearances typically range from .0003 to .0010 between the wrist pin and pin bore.
- Vertical Gas Ports: Machined gas ports channel combustion pressure behind the top ring for improved cylinder sealing and reduced blow-by under high load. Common in drag racing applications where maximum ring seal is critical.
- Skirt Coat: Skirt Coat reduces friction and wear on piston skirts and cylinder walls while simultaneously reducing operating noise
Information
These pistons utilize our dedicated Forged Side Relief (FSR) forging that was specifically designed to increase strength.
Specifications
- GTIN
- 00193564244635
- Weight
- 11.8 lb
- Height
- 6 in
- Length
- 26 in
- Width
- 12 in
- EO
- Offroad
- Life cycle
- Available to Order
- Warehouse brand code
- JEP
- AAIA brand code
- BHXG
Attributes
- 2nd Groove Width
- 0.04800
- 3D Undercrown Milling
- No
- Accumulator Groove
- Yes
- Add-On
- JC2806-3789
- Anodize Top Ring Groove
- No
- Bore Diameter
- 3.790
- Bore Diameter - Web
- 3.790 IN
- California Proposition 65
- WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
- Category Hierarchy
- Auto>SRP Pistons>SRP Pro 2618>Piston Kits
- Combo 2
- No
- Compression Height
- 1.314
- Compression Ratio
- 0.42013888888889
- Connecting Rod Length
- 6.278 IN
- Contact Reduction
- No
- Cylinder Head
- GM LS1 15 DEG
- DVGP
- No
- Double Pin Oilers
- No
- EBAY Category ID
- 33623
- EN Plating
- No
- Econo Undercrown Milling
- No
- Engine
- LS Gen III/IV
- Engine - Web
- LS Gen III/IV
- Engine Displacement
- 5.3 LS1
- Engine Stroke
- 3.268
- Engine Type
- ICE
- Exhaust Angle
- 15
- Exhaust Depth
- S
- Exhaust Diameter
- 1.750
- Forging Type
- FSR
- Gas Distribution
- No
- Industry
- Automotive
- Intake Angle
- 15
- Intake Depth
- .180
- Intake Diameter
- 2.100
- Lateral Gas Ports
- No
- Make
- Chevrolet
- Make - Web
- Chevrolet
- Mill Undercrown
- No
- Oil Groove Width
- 0.09950
- Oil Ring Thickness
- 0.0995
- Out of Stock Message
- Please Allow Approximately 3 Weeks or Less for Shipping
- Pin Fit
- Yes
- Piston Average Weight
- 403
- Piston Avg Wt
- 403
- Piston Head Type
- Dome
- Piston Material
- 2618
- Piston Pin Length
- 2.250
- Piston Pin Material
- 5115
- Piston Pin Outside Diameter
- 0.945
- Piston Pin Wall Thickness
- 0.150
- Piston Series
- SRP Pro 2618
- Piston To Wall Clearance
- -0.004
- Piston Volume
- 7.20
- Product Market
- Domestic
- Product Type
- Engine Piston Kit
- Ring Set - Recommended
- JC2801-3789
- Ring Set Included
- Yes
- Ring Set Part Number
- JC2801-3789
- Ringset Included
- Yes
- Second Compression Ring Thickness
- 0.0480
- Skirt Coat
- Yes
- Smooth Crown Finish
- No
- Stroke
- 3.268
- Thermal Crown
- No
- Title
- SRP Pro 2618 - Chevrolet, LS Gen III/IV, 3.790 in. Bore, Piston Kit
- Title - Web
- SRP Pro 2618 Chevrolet LS Gen III/IV Piston Kit - 3.790 in. Bore - 1.314 in. CH, 7.20 CC
- Top Compression Ring Thickness
- 0.0480
- Top Groove Width
- 0.04800
- Tuff Skirt
- No
- Ultra Dome
- No
- Ultra Groove
- No
- Ultra Groove Plus Gas Port
- No
- Vertical Gas Ports
- No
- Wrist Pin Length
- 2.250
- Wrist Pin Material
- 5115 Low Carbon Steel, Case Hardened
- Wrist Pin Outer Diameter
- 0.945
- Wrist Pin Wall Thickness
- 0.150
Fitment status
This product is universal and will fit your application.
Application summary
Chevrolet LS/LR4
JE Pistons / SRP 315551
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