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6 psi; Gasoline

SBC-Vortec; 4150 Style Square-Bore

SBC; Q-Jet or 4150 Style Square-Bore

SBC-Vortec; Q-Jet or 4150 Style Square-Bore

For 1958-86 SBC; 1.28" Wide X 2.09" Tall Port; .060" Thick

SBC 23° Heads; 4150 Style Square-Bore

SBC-Bowtie Vortec; 4150 Style Square-Bore

SBC-Vortec; 4150 Style Square-Bore

351W Ford; 4150 Style Square-Bore

SBC; 4150 Style Square-Bore

SBC 23° Heads; 4150 Style Square-Bore

SBC 23° Heads; 4150 Style Square-Bore

SBC; 2BBL Carb

10 psi; Gasoline

For SBC-Vortec; 1.08" Wide X 2.11" Tall Port; .120" Thick

For 23° High-Port, 18°, and 15° SBC Heads

Available in:

• 1.88" I.D.
• 8" Length
• 100 to 150 lbs/in

Available in:

• 2.5” I.D.
• 8, 10, 12, or 14” Length
• 90 to 750 lbs/in

Available in:

• 2.5”  I.D.
• 8, 10, 12, or 14”  Length
• 90 to 750 lbs/in

Available for 5” to 6” OD and 2.5” to 3.5” ID Springs.

Available in:

• 5”  or 5.5”  O.D.
• 9.5” or 11” Length
• 300 to 1600 lbs/in

Available in:

• 5”O.D.
• 11” to 20” Length
• 75 to 375 lbs/in

2.5” ID x 6”; 900 lbs/in; Standard Coil

Available in:

• 5” O.D.
• 9.5”  Length
• 400 to 600 lbs/in