Spruell Motorsport, Inc
  Spruell Motorsport Alfa » Catalog » Alfa Romeo Parts » Engine - Bottom End » Pistons » Piston Set Twinspark 2.0 84mm 10.5:1 Big Valve NEW!!! My Account  |  Cart  |  Checkout   
Alfa Parts Categories
Alfa Romeo
  PAUL'S VINTAGE GARAGE SALE
  Clutch/Flywheel
  Cooling
  Cylinder Head
  Engines for sale
  Engine - Overhaul Kits
  Engine - Bottom End
    Bottom End OH Kits
    Chains, Hardware, Misc.
    Crankshaft,Bearings,Bushings
    Pistons
    Piston/Liner Sets
    Piston Rings
    Rods, Pins, Bolts
    Bolt On Stuff: pumps, mounts, electrics
  Exhaust
  Gaskets, Seals & Locktabs
  Gearbox, Differential
  Additional Alfa Product Information
Specials
Newest Products
Complete exploded Category listing
LANGUAGES
EnglishEnglish FrenchFrench SpanishSpanish
GermanGerman ItalianItalian PortuguesePortuguese
KoreanKorean JapaneseJapanese ArabicArabic GreekGreek TurkishTurkce
Recent Addition more
Engine Seal Kit Bottom End 1300,1600,1750,2000 Spiders to '94
Engine Seal Kit Bottom End 1300,1600,1750,2000 Spiders to '94
$44.00
View Latest Additions
Piston Set TwinSpark 2.0 84mm Dish Dome Low Friction Asymmetrical Skirt Design (See Details for Compression)
[JE84TS]
$697.00 $639.00

CARILLO ROD SET of your choice, $50.00 off, if included with THIS order.

COMPRESSION:

(Specify in "Customer Comment" Box when ordering online.)

  • 10.5:1 IN STOCK/Runs Great on 91-93 octaine fuel)
  • 11.0:1 IN STOCK
  • 11.5:1 IN STOCK
  • 12.0:1 Special Order -- 4 Weeks
  • 12.5:1 Special Order -- 4 Weeks 

NEW SQUISH/DISH DOME MAKES MORE POWER

  • Dished dome makes more power. Flame front travel distance is minimized when compressed charge concentrated directly under spark plugs combustion efficiency is improved.
  • Tall shoulders of dome "squash" the mixture at TDC creating a hurricare to distribute the flames.

CUSTOMER TESTIMONIAL

"Your new TS dished TS pistons worked an absolute treat and our customer is absolutely over the moon with the performance of the engine.  Having changed nothing other than the pistons and compression ratio, the car has jumped up two classes and is now a seriously quick Alfa.  It performed faultlessly.  We love them!  Well done guys!!!  A fantastic set of pistons."

NEW! ASYMMETRICAL DESIGN. This slipper skirt piston type design features:

  • The intake skirt is 20% narrower than a full skirt, rod angularity creates greater pressure on the intake side load before TDC.
  • The compression decay  after TDC reduces the exhaust loading allowing a 40% reduction on the exhaust skirts.

Standard Features:

  • Compression is measured with standard head of 135mm height and 1.6mm Reinze gasket.  WARNING:  Milling drastically increases coompression.  Also, be aware that valve shape/size and seat height can make a difference.  For absolute accuracy, customer should submit head chamber volume. 
  • 3mm deeper valve reliefs accommodate most performance cams intake and exhaust
  • Larger diameter intake valve reliefs will accommodate oversize 47mm intake and 41mm exhaust valves.
  • Standard 38mm exhaust valves are the best combination for power

This piston set includes standard wrist pins (109 grams), and conventional Ring Set.  You should consider the following upgrades.  (Specify Upgrades in "Customer Comments Box" when ordering online from website):

  • CARILLO ROD SET of your choice, $50.00 off, if included with THIS order.
  • Upgrade to light weight pins (80 grams) for an additional $80.00
  • Upgrade to Total Seal gapless second ring set for more HP.  $139.00 extra
  • Upgrade to Total Seal gapless top ring set for even more HP. $169.00 extra
    (check out HP gains at
    Total Seal HP Gains)

 

Reviews
Customers who bought this product also purchased
Piston Set 1750 to 1870 Conversion 82mm 10.5 Big Valve Super  Lite Weight APPLE BITE Coated Skirt & Dome
Piston Set 1750 to 1870 Conversion 82mm 10.5 Big Valve Super Lite Weight APPLE BITE Coated Skirt & Dome
Cam Sprocket Bolt Nut Set (Each)
Cam Sprocket Bolt Nut Set (Each)
Valve Spring Set Performance & Race High RPM Lift Up to 13mm 4 Cyl & TS
Valve Spring Set Performance & Race High RPM Lift Up to 13mm 4 Cyl & TS
Clutch Disc 215mm Organic 215mm Street/Race RaybestosPerformance Facings MADE IN USA
Clutch Disc 215mm Organic 215mm Street/Race RaybestosPerformance Facings MADE IN USA
Shopping Cart more
0 items
Manufacturer Info
JE Pistons
Other products
Notifications more
NotificationsNotify me of updates to Piston Set TwinSpark 2.0 84mm Dish Dome Low Friction Asymmetrical Skirt Design (See Details for Compression)
Quick Find
 
Use keywords to search for Alfa Parts.
Advanced Search
Information
*Login/cart trouble*
Shipping & Returns
Conditions of Use
Links of Interest

Copyright © 2007 - 2019 Spruell Motorsport, Inc
Powered by osCommerce (v2.2-MS2)
Spruell Motorsport Alfa is your source for performance parts for Alfa Romeo.
We specialize in Alfa Romeo 101, 105 and 115 drive train products for engine and gearbox.
We keep our prices as low as possible, but the current market is very volatile. Please note that there will be times
when we just cannot absorb an increase and the price we get back to you with will be higher than the catalog shows.
We reserve the right to correct errors in website data entry affecting pricing.
International orders under $100 are subject to a $20 USD handling fee and for PayPal, add 2.5% to total. (add 4.5% in USA.)
NOTE that WE MUST SEND Paypal payment requests from our PP account to your email address. Shipping will be added to the total shown on your invoice.