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MANLEY exhaust valves for Chevrolet Big Block, 48.26 × 138.53 mm, stem 9.44 mm, 8 pcs
Manley exhaust valves for Chevrolet Big Block, 48.26 × 138.53 mm, stem 9.44 mm, 8 pcs.
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11733-8
193564376022
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Manley exhaust valves for Chevrolet Big Block, 48.26 × 138.53 mm, stem 9.44 mm, 8 pcs.
Manley racing valve. Head diameter, length and stem diameter must match the cylinder head, guides and spring retainers.
- Head diameter: 48.26 mm
- Length: 138.53 mm
- Stem diameter: 9.44 mm
- Underhead angle / radius: 10°, R 9.52 mm
- Top of head: 6° dish
- Tip length: 5.59 mm
- Margin width: 1.9 mm
- Seat width: 2.54 mm
- Line: Extreme Duty
- Weight: 143 g
- Pack: 8 pcs
- Manufacturer description: BBC Exhaust Valve Kit 1.900 x 5454 x .3715
- Manufacturer part number: 11733-8
Fits: Chevrolet Big Block
Manley Performance of New Jersey (USA) makes valves, connecting rods, crankshafts and pistons for racing engines.
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