Page 11 of Automotive Pistons Catalog by JE Pistons
ENGINE
CODE
PISTON
TYPE
# OF
VALVES
Fully CNC Machined Piston
Precision Machined CNC Ring Grooves
2618 Low-Silicon or optional 4032 High Silicon
Material Available on some applications
Diamond Turned Skirts
Radiused Valve Reliefs
Single Forced Pin Oilers
Pick Lock Grooves (for use with wire locks)
Machined Side Reliefs on full round forgings
Lock Grooves Machined for Carbon Steel Spiro
Locks (other options available)
Small Block Chevy
22
Big Block Chevy
76
Small Block Chrysler
23
Big Block Chrysler
24
Small Block Ford
33
Ford Pinto
66
Big Block Ford
43
Domestic Not Listed
104
Sport Compact
101
(4 6 Cylinder)
Sport Compact
102
(8 Cylinder)
Euro/Exotic/Antique
103
EXAMPLE 22-2-2
Code
Description
PF
Honed Pin Bore (Pin Fitting)
CD
Contact Reduction Grooves
AG
Accumulator Groove
LG
Lateral Gas Ports (10*)
VG
Vertical Gas Ports
VL
Vertical Lateral Gas Ports
UG
Ultra Groove
UP
Ultra Groove with Lateral Gas Ports (10*)
UV
Ultra Groove with Vertical Gas Ports
DP
Double Pin Oilers
BO
4 Bottom Pin Oilers
PV
Plunged Valve Reliefs
TV
Tulip Valve Pockets
NS
Notch Skirt
OP
Offset Pin
*
10 Gas Ports Standard, Additional
Gas Ports Incur an Extra Charge
Milling Options
PB
Plunge Bosses (Interior or Exterior)
SB
Spin Boss
CB
Chamfer Pin Boss
MC
Mill Under Crown
MB
Mill Pin Boss Width
WM
Mill Skirt or Window Mill
FM
Cavity Milling
SE
Skirt Register
Ultra Crown
US
One-Time Engineering Fee
UD
Machining per Piston Dome
UC
Machining per Piston Inverted Dome
Forged Side Relief
FS
FSR Forged Side Relief
FE
FSR external bracing and cavities
FC
FSR external and internal bracing and cavities
To calculate custom piston pricing, determine the motor type (Chevy, Ford,
etc), piston style (flat top, dome, dish, or inverted dome), and which custom
piston options you require.
To order custom pistons, please use the Custom Piston Order Form located in the back of this catalog, or download one from
our website www.jepistons.com. Custom pistons do not come with pins, locks or rings. Please see the components section of
this catalog to find the proper parts you need to complete your order.
STANDARD CUSTOM PISTON FEATURES
S/B Chevy Flat Top
22-2-2
$X.XX
Pin Fit
PF
$X.XX
Contact Reduction
CD
$X.XX
Ultra Groove
UG
$X.XX
Vertical Lateral Gas Ports
VL
$X.XX
Double Pin Oiling
DP
$X.XX
CUSTOM PISTON MOTOR/STYLE CODES
ENGINE CODES
Dome
1
Flat Top
2
Dish/
3
Inverted Dome
PISTON TYPE
Two
2
Four
4
# OF VALVES
CUSTOM FEATURE CODES
CUSTOM PISTON ORDER EXAMPLE
DESCRIPTION
CODE
PRICE
CUSTOM PISTONS
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