Wiseco Forged Racing Piston Kits - Alfa Romeo

RPM - RON'S PRECISION MACHINE, INC.
69 E. 580 N.
Santaquin, Utah 84655
1-801-754-5338 or Toll free 1-866-700-5877
Contact us anytime OR use your e-mail program and type in ron@rpmrons.com to send an e-mail with what you need



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Call toll free to purchase at: 1-866-700-5877

Shelf-Stock Forged Pistons. Sold complete with pistons, rings, wrist pins and circlips. (piston kits)

  • ArmorGlide® SKIRT COATING INCREASES POWER AND REDUCES PISTON ROCK.
  • STRUTTED FORGING FOR IMPROVED STRENGTH
  • 2618 AEROSPACE ALLOY FOR SUPERIOR STRENGTH

ALFA ROMEO
Alfa AR3055 - 33 • 1.7L 4V
• Standard Compression
Wrist pins included: S624 $18.78 21mm - .827 x 2.500
 Kit Part #
 Your Cost

 
Bore
mm/Inch

Over
Size

Stroke

Rod Length

Comp.
Ht. 

Head
cc's

Volume 

Gasket
Thickness 

Deck
Clearance

 Block
Height

 Comp.
Ratio

 Ringset
(Included)

 Avg.
Wt

Foot-
Note
KE231M87 $799.08 87.00 3.425 Std. 2.843
72.2mm		 5.119
130mm		 1.378
35mm		 36.5 -11cc 0.054
1.37mm		 .024
.60mm		 7.941
201.7mm		  10.0 8700XX $39.02 387

1
KE231M875 $901.73 87.50 3.445 0.020  10.0 8750XX $39.02 392
KE231M88 $901.73 88.00 3.465 0.040  10.0 8800XX $39.02 398


Alfa 105 “Nord” 2.0L 8V
• High Compression
Wrist pins included: S566 $18.78 21mm - .866 x 2.500
 Kit Part #
 Your Cost

 
Bore
mm/Inch

Over
Size

Stroke

Rod Length

Comp.
Ht. 

Head
cc's

Volume 

Gasket
Thickness 

Deck
Clearance

 Block
Height

 Comp.
Ratio

 Ringset
(Included)

 Avg.
Wt

Foot-
Note
KE234M845 $901.73 84.00 3.307 0.020 3.484
88.5mm		 6.181
157mm		 1.309
33.25mm		 76.9 42.4cc 0.069
1.74mm		 .048
1.2mm		 9.280
235.7mm		  10.5 8400XX $39.02 409 1, D
KE234M845 $901.73 84.50 3.327 0.040 8450XX $37.68 414

Foot Notes (far right column)
1 - Most Wiseco Pistons have offset pins. (Pins must be offset, same as OEM, for quietest operation).
2 - Due to compression height that may protrude above the deck, it is recommended that a
1.00mm thick head gasket is used.
D - Weight reduction possible.

1. Most Wiseco pistons have offset pins. Pins must be offset same as o.e. for quitest operation-pin offset will be opposite of direction of engine rotation
* Always run at least .030 piston to head clearance including gasket thickness.
* Always check piston to valve clearance - If using VTEC or like mechanisms-check w/ longer duration higher lift lobe.
* Some pistons are listed with a range of compression ratio's. The low number is determined w/ an un-cut deck and the higher number is determined w/ .030 piston to cylinder head clearance.

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