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- USA
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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Proflow Cylinder Heads, LS3 SuperMax 276 CNC, Bare, Holden, Chev Aluminium, (6-Bolt ) LS3/L76/L77/L92/L98/LSX, 276cc Intake, 70cc Chamber, Pair - PFEAHCLS3-276-6BT-PPart Number: PFEAHCLS3 276 6BT P Proflow does not sacrifice quality for a low price you get both with our aluminium cylinder heads. Our LS3 cylinder heads are designed for street race performance engines to give the ultimate in flow at a competitive price. Cast from A356 aluminium, these 15 LS3 rectangle port heads are designed to fit LS series engines with a 4. 00" or larger bore. These bare 275cc heads accept 2. 165" diameter intake valves and 1.
Part Number: PFEAHCLS3-276-6BT-P
Proflow does not sacrifice quality for a low price- you get both with our aluminium cylinder heads. Our LS3 cylinder heads are designed for street / race performance engines to give the ultimate in flow at a competitive price. Cast from A356 aluminium, these 15° LS3 rectangle port heads are designed to fit LS series engines with a 4.00" or larger bore. These bare 275cc heads accept 2.165" diameter intake valves and 1.60" exhaust valves and have a 0.625" deck thickness. Suits 6-bolt standard or LSX block designs.
SPECIFICATIONS |
|
| Combustion Chamber | 70 cc |
| Intake Port Volume | 276 cc |
| Exhaust Port Volume | 92 cc |
| Exhaust Port Dimensions | 1.47” (H) x 1.65” (W) |
| Spark Plug Location | OEM |
| Intake Valve Diameter | 2.165” |
| Exhaust Valve Diameter | 1.59” |
| Valve Stem Diameter | 8 mm |
| Valve Spring Pocket ID | 1.30” |
| Valve Guide OD | 0.502” (0.560” at base) |
| Maximum Valve Lift | 0.750” |
| Rocker Stud Thread Size | OE LS3 Style |
| Valve Angle | 15° |
| Deck Thickness | 0.625” |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy