Stroker Kits

Complete Rotating Assemblies

PMI has a long-rod stroker kit for your 230 or 250. This is a complete kit. A fully balanced rotating assembly with forged lightweight pistons with wrist pins, locks and rings, forged lightweight H-Beam rods with race bearings and an offset-ground 3.75” stroke, fully counterweighted crankshaft.

Matched and fully balanced rotating assembly with:

  • Offset-ground 250 crank, stroked to 3.75” stroke
  • Forged H-Beam connecting rods, 5.900” long, 550gram weight
  • Forged lightweight pistons, 16cc dish, 420 gram weight
  • Rod and main bearings

No block modifications are necessary.

Pistons are available in +.040 over or +.060 over (special order)

$2199.00

Core charge applies ($100.00). Send us your good crank and we’ll knock $100 off that price. Shipping is actual cost; no hidden charges.

Stroker rod/piston combos:

  • Light weight 5.900” forged H-Beam rods (550g) – Capable of 1,000 HP.
  • Light weight forged pistons, 4032 Aluminum alloy, 16cc dish (410g), 1.345” CD
  • Fully-floating wrist pins
  • Wrist pin retainers

$1379.00

Call or email PMI to order your stroker kit today!