PERFORMANCE PISTON SETS FOR BIG TWIN

PERFORMANCE PISTON SETS FOR BIG TWIN
Manufacturer: KB PERFORMANCE PISTONS
Availability: In stock
Part #: 62267

Weight: 2.81

  • Spawned from this successful manufacturer's line of automotive pistons
  • Lightweight permanent mold cast pistons
  • Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon, and heat treated to T6 specifications producing a stronger than stock piston
  • Special alloy compositon keeps heat confined to the combustion chamber and reduces heat transfer to the piston itself producing a cooler running piston
  • Can be fitted with a clearance as small as .00075"
  • Piston expansion is reduced by as much as 20% over conventional pistons
  • Less piston rock, better ring support, more durability and better retained compression for maximum power
  • The key feature to these pistons is the accumulator groove between the top and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
  • Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings Moly rings
  • Wrist pins measure .792" O.D. on single cam models and .927" O.D. on Twin Cam models
  • See the engine section for replacement ring sets


KB Performance Pistons
Standard Bore & Stroke Piston set
Fits Knucklehead, Panhead, Shovelhead 74ci - 1200cc - 3.438"
9:1 Dome Top Piston
+.030" Bore
By: KB PERFORMANCE PISTONS

Customers who bought this item also bought

MID-USA INNER TUBES FOR ALL MODELS

51043
MID-USA INNER TUBES FOR ALL MODELS

POWER HOUSE TOP END GASKETS

60425
POWER HOUSE TOP END GASKETS

TRANSMISSION HARDWARE KITS FOR BIG TWIN 4 SPEED

72216
TRANSMISSION HARDWARE KITS FOR BIG TWIN 4 SPEED

POWER HOUSE PLUS MAINTENANCE FREE BATTERIES FOR 12 VOLT MODELS - YTX14L-BS - 200 CCA

10022
POWER HOUSE PLUS MAINTENANCE FREE BATTERIES FOR 12 VOLT MODELS