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Chrevrolet Big Block 632 Nitrous Series Flat Top Piston Kit

Part Number 353418 (155622841)
UPC: 193564040848
Package contents: 1 Each per Box
MADE IN USA
Unavailable

Description

JE Auto forged pistons from JE Pistons are the result of over 75 years of industry leading experience extended to our range of premium forged pistons for Chevrolet Big Block Engines. JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From drift track to drag strip, JE Pistons’ performance is proven in victory lane time and time again. Equipped with the following custom level features

JE pistons are all designed, forged, and machined in-house, allowing control over every step of the piston-making process. JE Pistons 7+ decades of experience in high-level racing has led to offering premium racing features, including full billet construction, EN plating, and purpose-designed coatings, to name a few.

Features & benefits

  • 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.
  • Double Pin Oilers: Deliver twice the amount of oil to the wrist pin as compared to the standard single pin oiler.
  • 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.
  • Lateral Gas Ports: This process mills slots into the top of the top ring groove and provides a pathway for combustion pressure to get behind the top ring. Resulting in increased ring seal and is most common in circle track applications.
  • Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications
  • Designed specifically for Chevrolet Big Block 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, and locks

Specifications

2nd Groove Width 0.064 in
3D Undercrown Milling No
Accumulator Groove Yes
Anodize Top Ring Groove No
Bore Diameter 4.600 in
Combo 2 No
Compression Height 1.120 in
Connecting Rod Length 6.700 IN
Contact Reduction No
Country Of Origin USA
Cylinder Head BIG CHIEF 12 DEG/14 DEG
Double Pin Oilers Yes
DVGP No
Econo Undercrown Milling No
EN Plating No
Engine Big Block
Engine Detail BIG CHIEF 12 DEG/14 DEG
Engine Family Big Block
Engine Stroke 4.750 in
Engine Type ICE
Exhaust Angle 6
Exhaust Depth .085
Exhaust Diameter 2.150
Forging Type Round
Gas Distribution No
Intake Angle 12
Intake Depth .285 in
Intake Diameter 2.700 in
Lateral Gas Ports Yes
Make Chevrolet
Mill Undercrown No
Oil Groove Width 0.18800 in
Oil Ring Thickness 0.188 in
Pin Fit Yes
Piston Head Type Flat
Piston Material 2618
Piston Quantity 8
Piston Series JE Pistons
Piston To Wall Clearance -0.006499 in
Piston Volume -7.30 cc
Product Market Domestic
Product Type Engine Piston Kit
Ring Set Included No
Second Compression Ring Thickness 0.0640 in
Skirt Coat No
Smooth Crown Finish No
Thermal Crown No
Top Compression Ring Thickness 0.0435 in
Top Groove Width 0.04350 in
Tuff Skirt No
Ultra Dome No
Ultra Groove No
Ultra Groove Plus Gas Port No
Vertical Gas Ports No
Wrist Pin Length 2.930 in
Wrist Pin Outer Diameter 0.990 in
Wrist Pin Wall Thickness 0.200 in

Warranty

30 Months

About JE Pistons

JE pistons are all designed, forged, and machined in-house, allowing control over every step of the piston-making process. JE Pistons 7+ decades of experience in high-level racing has led to offering premium racing features, including full billet construction, EN plating, and purpose-designed coatings, to name a few.

California residents

WARNING: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.

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