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Terry Rosebush Motorsports
Signature Series DZ 302ci & 327ci SBC Pistons

(American made exclusively for TRM by Diamond Racing Products)

Signature Series Piston Features:

  • Our pistons are made of high-quality 4032 aluminum alloy forgings.  
  • Fully machined with the latest alloy in piston design technology for oil control, ring seal, increased piston and ring life, and horsepower.
  • Inboard pin boss forging, ultra flat 1/16, 1/16, 3/16 ring lands standard. Flat top or domes (true factory compression ratios), full floater or pressed pin configurations available. Available in .030, .040, and .060 oversizes.
  • Special order sizes and compression ratios available at a ($50.00) up charge.
  • Extra deep valve pockets for today’s latest performance cams.
  • Final pin fitting left to builder so as it can be custom fit for various applications.
  • Sold with premium 4130 chrome moly wrist pins ground to +0001 tolerance. Spiral locks are supplied (where applicable).
  • Compatible with most street nitrous oxide  systems. (will not work with competition or direct port systems)
  • No left or right hand parts. All parts are identical.
  • Installation sheet sent with all sets.
  • Matching piston ring sets with the latest in piston ring technology are available at an extra charge. These rings are moly top, cast second, and low tension oil for the ultimate in ring seal and oil control.
  • Product represents the latest in 21st century technology for your valued customer’s prized possession at an affordable price. Customer service and custom services are always available.

Terry Rosebush Motorsports
377 S. River Rd. (M-13)

Bay City, MI 48708

Phone: 989.893.8299 Fax: 989.893.0419

Copyright Terry Rosebush Motorsports, 2004