PPM Porsche 997TT 3.9L / 4.1L Stroker Kit
$12,650.00
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PPM Porsche 997TT 3.9L / 4.1L Stroker Kit
$12,650.00
PPM Porsche 997TT 3.9L / 4.1L Stroker Kit is sourced from PPM Racing / Pure Performance Motorsport.
PPM supplier information
PPM complete 82.4 mm-stroke 3.9L/4.1L rotating assembly for Porsche 997 Turbo applications.
- 82.4 mm billet 4340 EN40B crankshaft with PPM surface finish
- 4032 forged pistons with dual coatings, H13 wrist pins and rings
- 100 mm or 102.7 mm bore options
- PPM lists 8.8:1 turbo compression specification
- 127.75 mm H-beam connecting rods with ARP hardware
- PPM states made-to-order lead time is typically 6–12 weeks
Ordering notes
Bore/displacement specification is confirmed for the intended build; PPM does not expose those choices as separately priced storefront variants.
BBT fitment note
Confirm engine build specifications, clearances and supporting hardware before assembly. Professional measurement and assembly are recommended.