Speed-Pro® delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro® to provide the best value in HP engine components

  • Recommended for all racing applications (where file fitting the ring end gap will deliver maximum power)
  • Face of top rings are coated with the latest generation Plasma-Moly
  • Plasma-Moly ring face decreases friction and is highly resistant to scuffing
  • Ensures dependable performance and superior service life
  • Application specific design to ensure a perfect fit and correct operation for unsurpassed quality that you can trust

Bore (in.):4.060 in.

Piston and Ring Oversize (in.): 0.065 in.

File Fit: Yes

Gapless: No

Gas Ported: No

Top Ring Included: Yes

Top Ring Thickness: 5/64 in.

Top Ring Material: Iron

Top Ring Facing Material: Plasma-moly

Second Ring Thickness: 5/64 in.

Oil Ring Thickness: 3/16 in.

More From This Category

COMP Cams Cylinder Deactivation Delete Kit, Premium DOD Delete, GM GEN IV 5.3L LS, Kit

COMP Cams Cylinder Deactivation Delete Kit, Premium DOD Delete, GM GEN IV 5.3L LS, Kit

$1,370.44

Rear Main Seal Set,

Rear Main Seal Set,

$33.23

Cast Piston Set w/Prem. Rings

Cast Piston Set w/Prem. Rings

$493.25

QA1 H Series 3 Piece Alloy Rod End, 5/8in. Bore, 5/8in.-18 RH Female Thread

QA1 H Series 3 Piece Alloy Rod End, 5/8in. Bore, 5/8in.-18 RH Female Thread

$61.77

Rancho Suspension Strut

Rancho Suspension Strut

$388.70

Ross Performance Crank / Cam Trigger, Nissan RB30ET, Metal Jacket, 36T, Kit

Ross Performance Crank / Cam Trigger, Nissan RB30ET, Metal Jacket, 36T, Kit

$2,012.67