(Made in the USA)
WISECO forged pistons are the result of extensive R&D. “Hi-Silicon” aluminum alloy provides a quiet long lasting superior strength in high performance.
   

Now in stock at TEC

Wiseco

Twin Cam 103"

1691cc Big Bore Kits

Available in 9:1 & 10.5:1

Standard & +.005 in Stock

 

 

 
Twin Cam 1550cc Big Bore Kit (95”)

10.5:1 Domed with Hastings Rings

Big Bore Kit Includes Wiseco Forged Pistons, Hastings Rings, retainer clips, chrome piston pins.

Big Bore Kit Also Includes Top End Gasket Kit

  Standard +005
TEC # 83980 83981
Wiseco # K1709 K1710
 
Twin Cam 1550cc Big Bore Kit (95”)
9:1 Flat Top w/ Hastings Rings
Big Bore Kit Includes Wiseco Forged Pistons, Hastings Rings, retainer clips, chrome piston pins.

Big Bore Kit Also Includes Top End Gasket Kit

  Standard +005
TEC # 83985 83986
Wiseco # K1719 K1720
 
TEC Distributing also offer's 95" Wiseco Pistons with Rings that can be purchased separately without Gaskets.
 
Wiseco Twin Cam 95" Piston (Hastings Rings, retainer clips, chrome piston pins)
10.5:1 Domed with Hastings Rings
  Std +005 +010
TEC # 83990 83991 83992
Wiseco 4522PS 4522P1 4522P2
 
Wiseco Twin Cam 95" Piston (Hastings Rings, retainer clips, chrome piston pins)
9:1 Flat Top w/ Hastings Rings
  Std +005  
TEC # 83995 83996
Wiseco 4688PS 4688P05
 

 

           
Evolution  Big Twin  1985-99
8.5:1 Compression w/ Hastings Rings
  Std +010 +020 +030 +040
TEC # 83794 83795 83796 83797 83798
Wiseco K1640 K1641 K1642 K1642 K1644
 
10:1 Compression  w/ Hastings Rings
  Std +005 +010 +020 +030 +040
TEC # 83950 83951 83752 8375 83754 83755
Wiseco K1665 K1665 K1666 K1667 K1668 K1669
 

11:1 Compression w/ Hastings Rings

  Std +005 +010 +020 +030 +040
TEC # 83944 83945 83946 83947 83948 83949
Wiseco K1690 K1691 K1692 K1693 K1694 K1695
 
Evolution   3 5/8" Big Bore  (88")

9.25:1 Compression Flat top w/ Hastings Rings
  Std +005 +010 +020 +030
TEC# 83965 83966 83967 83968 83969
Wiseco K1670 K1671 K1672 K1673 K1674
 
10:1 Compression  Domed w/ Hastings Rings
  Standard  
TEC # 83941  
Wiseco # K1676  
Evolution   3 3/4" Big Bore  (93.4")
10:1 Compression Flat top w/ Hastings Rings
  Standard  
TEC # 83975  
Wiseco # K1699  
 
Evolution   Big Bore Stroker (103")
3 3/4" Bore & 4 5/8"  Stroke
10.5:1 Flat Top w/ Hastings Rings
  Standard  
TEC # 83780  
Wiseco # K1708  
 

 

           
1340cc   80" Shovelhead   '79-84
9.5:1 Compression w/ Hastings Rings
  Std +010 +020 +030 +040
TEC # 83810 83811 83812 83813 83814
Wiseco K1623 K1624 K1625 K1626 K1627
 
1200cc   74" Pan/Shovel   '48-78
9:1 Compression w/ Hastings Rings
  Std +010 +020 +030 +040 +050 +060 +080
TEC # 83820 83820 83820 83820 83820 83820 83820 83820
Wiseco K1605 K1606 K160 K1607 K1609 K1610 K1611 K1612
 

 

           
1200cc   Evo Sportster thru 2003
9.5:1 Compression w/ Hastings Rings
  Std +010 +020 +030 +040
TEC # 83840 83841 83842 83843 83844
Wiseco K1660 K1661 K1662 K1663 K1664
 

10.5:1 Compression w/ Hastings Rings

  Std +010 +020 +030 +040
TEC 83845 83846 83847 83848 83849
Wiseco K1685 K1686 K1687 K1688 K1689
 
883-1200cc   Evo Sportster thru 2003
9.5:1 Compression w/ Hastings Rings
  Std +010 +020 +030  
TEC # 83956 83957 83958 83959  
Wiseco K1655 K1656 K1657 K1658  
 

10.5:1 Compression w/ Hastings Rings

  Std +010 +020  
TEC # 83960 83961 83962  
Wiseco K1682 K1683 K1684  
 
1000cc  Ironhead Sportster   '79-84
9.5:1 Compression w/ Hastings Rings
  Std +010 +020 +030 +040
TEC # 83830 83831 83832 83833 83834
Wiseco K1600 K1601 K1602 K1603 K1604