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Stainless Steel Valves, SBC, 2.02"/1.60", +.003" Oversize Stem, STD Length, Single Groove

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202+3, 1.6+3
Calculated at checkout

Product Description

SBC 2.02”/1.60” Standard Length, Single Groove

Stainless Steel Valves, Sixteen Valves, +.003" Oversize Stem

Fitment: Small Block Chevy 283-SB400


Here you can order a brand new set of sixteen +.003" Oversize Stem Stainless Steel performance valves.

Oversize stem stainless steel valves are hard to come by. We've only seen them in stock type valves and until now, never before in a Performance stainless steel performance type valve. We've been asked for them before but could not order them until now.

These are intended for heads which have the guides machined .003" bigger than std 11/32" guides.

The valves can be fitted by reaming or rigid honing, or a combination of both.

Oversize stems measure around .3443" making the final guide size to be somewhere between .3460"- .3463"

General rule of thumb for minimum clearances is: .0017" for the intake and .002" for the exhaust.

Intended for High Performance Street and Mild Race engines.


  • Stainless Steel?- YES
  • Std Stem? No
  • Oversize Stem? Yes, +.003" Oversize Stem
  • Material Grade- 21-2N
  • Undercut Stem?- YES, as pictured
  • Swirl Polished?- YES, as pictured
  • Hard Chrome Stems?- YES
  • Swirl Polished Underheads?- YES, as pictured
  • Wafer Welded Hard Tips?- YES


  • Head Diameter, Intake- 2.02"
  • Head Diameter, Exhaust- 1.60"
  • Overall Length, Intake, Std- 4.910"
  • Overall Length, Exhaust, Std- 4.930"
  • Groove to Tip Length, IN & EX- .250"
  • Stem Diameter- 11/32" +.003" (Approx .3443")
  • Groove Configuration- Conventional Single Square Keeper Groove

No recommended for Vortec, LT1 or other late model SBC with self aligning rockers. Late engines w/ self aligning rockers require stock tip lengths of .260"/.289"

Alex’s Parts, a smart choice in valve train products.

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