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Item #590520
Straightline Performance Cylinder Head
$645.99 - $761.99
Straightline Performance Cylinder Head Item # 590520
Description
SPI Billet Cylinder Head
Features:
- 4-5 HP increase on all heads and insert combinations
- Provides three times the cooling
- Increased combustion chamber burn rate, and increased mph
- Features black anodized finish for lifetime corrosion protection
- Billet heads require no jetting changes
- All inserts and O-rings included in kits
Part Numbers for Straightline Performance Cylinder Head
| PRODUCT OPTION | ITEM # | MFR. PRODUCT # | AVAILABILITY |
| 113-104 | 590521 | 113-104 | Out of Stock |
| 113-121 | 590522 | 113-121 | Out of Stock |
| 113-122 | 590333 | 113-122 | Out of Stock |
| 6000' + | 590338 | 113-153 | Out of Stock |
Fitment for Parts Straightline Performance Cylinder Head
This part fits the following vehicles:
