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Wiseco Pistons
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Wiseco Pistons - Volvo
Includes: moly coated skirts, rings, wrist pins & circlips.
(* = Custom, Non-coated, NOT supplied with rings. Order RINGS separately HERE)
 
Wiseco Sport Compact Pistons are made from dedicated forgings produced in-house to give you a light weight piston with superior strength and optimal design. Being the multivalve piston technology leader, the line features specially designed valve pockets, complex dome and crown shapes, the steel nitride/napier xx rings and optimized skirt profiles. The pistons come standard with our ArmorGlide® coating material for reduced friction and noise, freeing up horsepower.
 
Stocking Shelf Pistons Come Complete With:
  • Aerospace grade materials, forged for maximum strength.
  • Precision tolerance CNC machining for quality, repeatability and performance.
  • Crown thickness and ring lands designed for power adders such as forced induction (turbos & blowers) and nitrous oxide. (Note: High comp. pistons are generally designed for nat. aspirated engines)
  • High Quality Piston Rings featuring positive twist nitride steel top ring, Napier 2nd ring, and nitrided rails on a specially designed expander for the best oil control.
  • Wrist Pins constructed of chrome moly steel material for the ultimate in strength.
  • Honed/Reamed pin bore holes for a precise tolerance fi t between wrist pin and piston.
  • Wire Retainer Clip Lock, featuring chrome silicon material for the ultimate yield strength.
  • Piston deburred for performance and reliability.

Volvo B5234T/T3/T5/T6/T8 2319cc 20V DOHC (TURBO)
'
94-00 850, c70, s70, v70
'01-04 c70, s60, v70
Part # Price/
Set
Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp
Ratio
Pin
Dia.
Notes Buy Now
K070M810A $599* 81.0 Std 90mm 139.5 35.9 51cc Dish 8.0 - 1,3
K070M815A $599* 81.5 .020 90mm 139.5 35.9 51cc Dish 8.0 - 1,3
K070M820A $599* 82.0 .040 90mm 139.5 35.9 51cc Dish 8.0 - 1,3

K070M810B $599* 81.0 Std 90mm 139.5 35.9 51cc Dish 8.5-1 - 1,3
K070M815B $599* 81.5 .020 90mm 139.5 35.9 51cc Dish 8.5-1 - 1,3
K070M820B $599* 82.0 .040 90mm 139.5 35.9 51cc Dish 8.5-1 - 1,3

K070M810C $599* 81.0 Std 90mm 139.5 35.9 51cc Dish 9-1 - 1,3
K070M815C $599* 81.5 .020 90mm 139.5 35.9 51cc Dish 9-1 - 1,3
K070M820C $599* 82.0 .040 90mm 139.5 35.9 51cc Dish 9-1 - 1,3

K070M810D $599* 81.0 Std 90mm 139.5 35.9 51cc Dish 9.5-1 - 1,3
K070M815D $599* 81.5 .020 90mm 139.5 35.9 51cc Dish 9.5-1 - 1,3
K070M820D $599* 82.0 .040 90mm 139.5 35.9 51cc Dish 9.5-1 - 1,3
* Non-coated, not supplied with rings.
Volvo B230F N/A 1992-95, 8V SOHC
Part # Price/
Set
Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp
Ratio
Pin
Dia.
Notes Buy Now
K071M960A $519* 96 Std - - - - Dish 9-1 - 1,3
K071M965A $519* 96.5 .020 - - - - Dish 9-1 - 1,3
K071M970A $519* 97 .040 - - - - Dish 9-1 - 1,3

K071M960B $519* 96 Std - - - - F/T 9.5-1 - 1,3
K071M965B $519* 96.5 .020 - - - - F/T 9.5-1 - 1,3
K071M970B $519* 97 .040 - - - - F/T 9.5-1 - 1,3
* Non-coated, not supplied with rings.
Volvo B230FT 740, 760, 780, 940 TURBO 2316cc 8V SOHC  1988-95
Part # Price/
Set
Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp
Ratio
Pin
Dia.
Notes Buy Now
K072M960A $519* 96 Std - - - - Dish 8-1 - 1,3
K072M965A $519* 96.5 .020 - - - - Dish 8-1 - 1,3
K072M970A $519* 97 .040 - - - - Dish 8-1 - 1,3

K072M960B $519* 96 Std - - - - Dish 8.5-1 - 1,3
K072M965B $519* 96.5 .020 - - - - Dish 8.5-1 - 1,3
K072M970B $519* 97 .040 - - - - Dish 8.5-1 - 1,3

K072M960C $519* 96 Std - - - - Dish 9-1 - 1,3
K072M965C $519* 96.5 .020 - - - - Dish 9-1 - 1,3
K072M970C $519* 97 .040 - - - - Dish 9-1 - 1,3
Volvo B5254 S60R 2.5L 20V 5 cylinder
K1 Rods Available   Optional K1 Rods Available! Part #344DW21143
Part # Price/
Set
Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp
Ratio
Pin
Dia.
Notes Buy Now
KE227M83 $737* 83 Std 93.20 143 30.5 51 -13 9.1 23mm 1,3
KE227M835 $737* 83.5 .5mm 93.20 143 30.5 51 -13 9.1 23mm 1,3
KE227M84 $737* 84 1mm 93.20 143 30.5 51 -13 9.1 23mm 1,3
Notes:
* Non-coated, not supplied with rings (you can order RINGS separately here)
1
Most Wiseco Pistons have an offset pin. Pins must be offset same as OEM for quietest operation.
2 This piston is a flat top w/out valve pockets, to be used if verifying piston to valve and piston to head clearance.
3, B or * = Build to order (custom), Non-coated, not supplied with rings.
4 = This piston made w/stock compression height, which is very close to cylinder head. Use Cometic thick gasket if decking block.
5 There are different versions of this engine - do visual inspection of dish/valve pocket area to verify compatibility.
A = Piston Rings need to be adjusted
B or *
= Will build to order (custom), Non-coated, not supplied with rings.
E = With valve pockets unline K557M series.
H = Based on Volvo rod 23mm. Ford OEM 21mm
R = Pin 20mm, OEM = 20.65mm (13/16)

Notes that apply to all Part #'s:
  • Some pistons are listed with a range of compression ratio's. The low number is determined w/an un-cut deck and the high number is determined w/.030 piston to cylinder head clearance.
  • Always check pistons to valve clearance - If using VTEC or like mechanisms- check w/longer duration higher lift lobe.
  • Always run at least .030 piston to head clearance including gasket thickness.
  • If piston appears to be different than expected, please do not hesitate to call Wiseco at 800-321-1364 to verify proper installation specifications.
Sales/Tech Line: (603) 378-0090
Email: [email protected]


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