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1.320 OD; 1.780 IH; .620 Lift; 356 lbs/in; Set of 16

1.254 OD; 1.700 IH; .490 Lift; 373 lbs/in; Set of 16

1.260 OD; 1.750 IH; .550 Lift; 454 lbs/in; Set of 16

For Chevrolet Small and Big Block Applications; 0.842 in. Dia.; 1.88 in. Seat Height; Set of 16

1.565"

1.475"

• 1.250" O.D.
• .814" I.D.
• Thickness: (16) .015", (16) .030", (16) .060"

• 1.437" O.D.
• .765" I.D.
• Thickness: (16) .015", (16) .030", (16) .060"

• 1.500" O.D.
• .645" I.D.
• Thickness: (16) .015", (16) .030", (16) .060"

• Style: Single/Dual Spring
• Lock Angle: 10°
• Valve Stem Dia.: All
• Valve Spring O.D.: 1.437"-1.500"
• Diameter 1: 1.400"
• Diameter 2: 1.060"
• Diameter 3: .690"
• Material: Chrome Moly Steel

• Style: Single/Dual Spring
• Lock Angle: 10°
• Valve Stem Dia.: All
• Valve Spring O.D.: 1.250"
• Diameter 1: 1.240"
• Diameter 2: .870"
• Diameter 3: .735"
• Material: Chrome Moly Steel

• Style: Single/Dual Spring
• Lock Angle: 7°
• Valve Stem Dia.: 11/32"
• Valve Spring O.D.: 1.250"
• Diameter 1: 1.230"
• Diameter 2: .870"
• Diameter 3: .650"
• Material: Chrome Moly Steel

• Style: Single/Dual Spring
• Lock Angle: 7°
• Valve Stem Dia.: 11/32"
• Valve Spring O.D.: 1.437"-1.500"
• Diameter 1: 1.400"
• Diameter 2: 1.060"
• Diameter 3: .690"
• Material: Chrome Moly Steel

• Style: Single/Dual Spring
• Lock Angle: 7°
• Valve Stem Dia.: 3/8"
• Valve Spring O.D.: 1.437"-1.500"
• Diameter 1: 1.400"
• Diameter 2: 1.060"
• Diameter 3: .690"
• Material: Chrome Moly Steel

• Style: Ovate Wire Spring
• Lock Angle: 10°
• Valve Stem Dia.: All
• Valve Spring O.D.: 1.250"
• Diameter 1: 1.240"
• Diameter 2: .820"
• Material: Chrome Moly Steel
• For use with COM-983-16

• 10° Angle
• 11/32" Valve Stem
• Single Groove
• w/ Lash Cap Recess

• Application: SBC*
• Timing:
  Crank Sprocket - Static
  Cam Sprocket - +/- 6°, 2° Inc.
• Includes Thrust Bearing & Adjustment Tool

• Application: SBC
• Type: Roller Rocker
• Stud: 3/8"
• Ratio: 1.5
• Material: Aluminum

• Application: SBC
• Type: Roller Rocker
• Stud: 3/8"
• Ratio: 1.6
• Material: Aluminum

• Application: SBC
• Type: Roller Rocker
• Stud: 7/16"
• Ratio: 1.5
• Material: Aluminum

• Application: SBC
• Type: Roller Rocker
• Stud: 7/16"
• Ratio: 1.6
• Material: Aluminum

• Valve Stem Dia.: 11/32"
• Thickness: .080"

• Valve Stem Dia.: 11/32"
• Valve Guide Size: .530"
• Outer Diameter: .630"

For Chevrolet Small and Big Block Applications; 0.842 in. Dia.; 2.00 in. Seat Height; Set of 16