SPA PERFORMANCE

Forged piston set 81mm 1.8L 20V VW/AUDI + Cometic Head Gasket Spacer - 1.68mm + 137mm head stud set - PRE SALE

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Product details
  • Vendor SPA PERFORMANCE
  • SKU CMBUSAMVLPTW0103

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  • Pre-Sale

    Take advantage of this great opportunity and buy this product at an unbeatable price! This item will be available for delivery approximately 12/30/2025.

Forged piston set 81mm 1.8L 20V VW/AUDI

For VW/AUDI 1.8 20V engines


Nominal bore diameter: 81mm (increase engine displacement to 1780cc)

Recommended bore to piston to bore clearance: 0.08mm (For nitrous or extreme applications, consult your builder)

Piston ring grooves: 1.5 mm / 1.5 mm / 2.0mm

Compression height: 32.70mm.

Dish volume: 7cc

Compression ratio: 8.5:1

Pin offset: 1.10mm.

Material: Forged aluminum 4032 T6.

Average piston weight (unit, without pin): 318,66g (11.2 oz).

Rated for 1000hp.

Innovative high performance piston skirt design that provides:

1. Smaller piston to bore clearance

2. Less noise

3. Better ring seal

4. Higher power

5. Durability


Features:

Anti detonation grooves: protect the top ring by disrupting detonation waves and reduce piston-cylinder contact in high temperatures and engine RPM conditions.

Accumulator groove: accumulates residual combustion gasses reducing top ring flutter and improving seal.

Pin oil lubrication by broaches and oiler to reduce friction and increase durability.


Super A Piston Pin (63.45mm) - 4pcs set

For VW 827 engines (Super A pistons)

Dimensions: 63.45mm x 20mm (length x O.D.)

Average unit weight: 116g (4.09 oz)

Rated for 1.000hp

Made from special steel alloys that combines optimal mass with high resistance.

Piston Rings 81mm SPA DLC series

Specifications:

1º ring 1.5mm - Made from carbon steel, which is 35% stronger than cast iron and about 30% lighter. DLC treated, which is the application of carbon particles, that provides higher resistance and lower friction.

2° ring 1.5mm - Made from cast iron.

3º ring 2.0mm - Made by 3 parts, providing easy handling, better oil film stability and improvement in oil removal by the lubrication holes due to its optimized design.

Cometic Head Gasket Spacer - 1.68mm

  • Special cylinder head gasket for turbo conversion
  • With this special Turbo multilayer metal cylinder head gasket
  • The compression reduction is already integrated in the seal.
  • (Ground and coated)
  • Will accept pistons up to 84.00mm overbored sized, can be used with smaller bores with no problem too.
  • Compression ratio NEW will depend on the engine used
  • Manufacturer: SPA TURBO
  • Engine Code: All 2 liters Blocks of VW 8V and 16V (some small modifications may be necessary in some cases)
  • 9A, 6A, ACE, 2E, ADY, ACX ABF, AGG, AKR, ABA, ABBOT, ADW, AAD, AAE, CAST OFF, 3A, SD.
  • Similar to OE numbers/Comparable numbers of manufacturers
VW: 048103383B
VW: 053103383
VW: 053103383A
VW: 053103383B
VW: 53103383
ELWIS ROYAL: 0056010
PAYEN : BT810
MEGA CAR: 101030383048B
CORTECO: 414604P
ELRING: 915.590
ELRING: 915.599
FEBI BILSTEIN: 15558
GLAZIER: 50151
GOETZE: 30-027257-20
REINZ: 61-28290-00
SPESSO: 21194/7620
SWAG: 32 91 5558
REINZ: 61-29305-00
  • Available in 0.5mm; 0.9mm; 2.0mm, 2.5mm and 3.4mm thickness
  • We're the VW Turbo experts!

FORGED HEAD STUDS VW/AUDI 1.8 20V 137MM

  • 137 mm cylinder head stud set
  • Installs using 3/16 Allen wrench
  • 12 point precison ground heat treated nuts
  • 12 point Nuts and washers precision ground
  • 180.000 psi tensile strength
  • M11 Thread studs, please be sure that your OEM bolts have the same thread before purchase
  • Maximum Torque - 72 ft/lb