Chevy LS Street Performance Valves

QualCast

QualFast Street Performance Valves are made of high grade stainless (21-2N) steel for street and mild racing applications. They are manufactured to the same precision specs as other QualCast valves. Packaged in matched sets of eight per box. Featuring swirled polished underheads, chrome-plated stems, wafer-welded tips and undercut stems.

Choose from the listings below.

All QualFast Street Performance Valves are sold in matched sets of 8. To order the full set, be sure to enter 8 for the quantity.

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Order No. Description Price Quantity
53-108157 Exhaust | 1.570" Head Dia. | 0.3134" Stem Dia. | 4.920" OAL | 0.160": Tip to Groove | Single Groove | LS1 $5.99
53-108159 Exhaust | 1.590" Head Dia. | 0.3135" Stem Dia. | 5.450" OAL | 0.341" Tip to Groove | Single Groove | LS3, 21-4N Matl. $5.95
53-108161 Exhaust | 1613" Head Dia. | 0.3134" Stem Dia. | 5.2260" OAL | 0.334" Tip to Groove | Single Groove | LS7, 21-7N Matl. $10.28
53-108202 Intake | 2.020" Head Dia. | 0.3138" Stem Dia. | 4.880" OAL | 0.160" Tip to Groove | Single Groove | LS1 $5.99
53-108216 Intake | 2.165" Head Dia. | 0.3135" Stem Dia. | 4.890" OAL | 0.225" Tip to Groove | Single Groove | LS3 $6.50
53-108221 Intake | 2.205" Head Dia. | 0.3134" Stem Dia. | 5.226" OAL | 0.334" Tip to Groove | Single Groove | LS7, 21-4N Matl. $10.90
53-158159 Exhaust | 1.593" Head Dia. | 0.3136" Stem Dia. | 4.914" OAL | 0.204" Tip to Groove | Single Groove | LS3 $11.04
53-158216 Intake | 2.165" Head Dia. | 0.3135" Stem Dia. | 5.450" OAL | 0.340" Tip to Groove | Single Groove | LS3 Int. 21-4N $12.74
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