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Vehicle Info NeededMANLEYPART NUMBER: 660-11863-1
Race Master Exhaust Valve Small Block Chevy
$2358
1 left in stock
Ships on Sep 08, 2026
Lowest Price GuaranteeExhaust Valves11/32'' Valve Stem Diameter
- Race Master Exhaust Valve
- Small Block Chevy
- 1.600'' Diameter
- 11/32'' (0.3415'') Stem Diameter
- 4.951'' Overall Length (Stock)
- Stainless Steel
- 1/pkg.
- Type: Exhaust Valve XH-426 Material
- Head Diameter: 1.600'
- Stem Diameter: 11/32' / 0.3415'
- Installed Height: Stock
- Overall Length: 4.951'
- Tip Length: 0.290'
- Underhead Angle / Radius: 15° x 1/2'
- Margin: 0.060'
- Seat Width: 0.100'
- Top of Head: 9° Dish
- Weight / Grams: 102
Part TypeValve
BrandMANLEY
Package Height2.5
Package Width2.6
Package Length7.4
Weight0.3 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number11863-1
Package Qty1
Package TypeEA
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