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ProForm 66755 Wedge Locking Header Bolts LS 8mm X 1.18in

5.02 product ratings
AMCO Auto Part and Tool (3103)
99.2% positive feedback
Price:
US $38.10
ApproximatelyC $53.11
+ $27.55 shipping
Estimated delivery Fri, Oct 24 - Thu, Nov 6
Returns:
30 days return. Buyer pays for return shipping. If you use an eBay shipping label, it will be deducted from your refund amount. Policy depends on shipping service.
Condition:
New

About this product

Product Identifiers

BrandProForm
Manufacturer Part Number66755
GTIN0037995667550
UPC0037995667550
eBay Product ID (ePID)20017012532

Product Key Features

Performance PartYes
MaterialSteel
California Prop 65 WarningYes
OE/OEM Part NumberNone

Dimensions

Item Diameter8mm
Length1.181in

All listings for this product

Buy It Now
New
Proform Header Bolt Kit 66755; Wedge Lock M8 x 1.25 x 1.181 in. for Chevy LS
Last one
item 1 Proform Header Bolt Kit 66755; Wedge Lock M8 x 1.25 x 1.181 in. for Chevy LS
C $48.72
Proform 66755 Wedge Lock Header Bolts Self Locking Hex Head 8mm x 1.181 LS1 LS6
Last one
item 2 Proform 66755 Wedge Lock Header Bolts Self Locking Hex Head 8mm x 1.181 LS1 LS6
C $48.72
+C $25.13 shipping
Proform 66755 Exhaust Header Bolt For Select 97-19 Chevrolet Models
item 3 Proform 66755 Exhaust Header Bolt For Select 97-19 Chevrolet Models
C $57.24
+C $22.29 shipping
Proform 66755 Wedge-Locking Header Bolts
item 4 Proform 66755 Wedge-Locking Header Bolts
C $48.72
+C $33.08 shipping
LS1 LS6 LS2 LS7 LSQ4 Exhaust Header Bolts M8 x 30mm 6-PT Self-Locking Wedge PRF
Last one
item 5 LS1 LS6 LS2 LS7 LSQ4 Exhaust Header Bolts M8 x 30mm 6-PT Self-Locking Wedge PRF
C $50.17
+C $32.75 shipping
Proform 66755 Wedge-Locking Header Bolts Hex Head M8 X 1.181In Nickel Plt 12 Pcs
item 6 Proform 66755 Wedge-Locking Header Bolts Hex Head M8 X 1.181In Nickel Plt 12 Pcs
C $64.88
+C $18.68 shipping
PROFORM Wedge Locking Header Bolts for GM LS-Series * 8mm x 1.18in, Set of 12
item 7 PROFORM Wedge Locking Header Bolts for GM LS-Series * 8mm x 1.18in, Set of 12
C $68.29
+C $16.99 shipping
Proform 66755 Header Bolt
item 8 Proform 66755 Header Bolt
C $65.20
+C $22.05 shipping
Proform for Wedge-Locking Header Bolts Hex Head M8 X 1.181in Chevy LS Nickel Plt
item 9 Proform for Wedge-Locking Header Bolts Hex Head M8 X 1.181in Chevy LS Nickel Plt
C $66.15
+C $22.55 shipping
Proform Header Bolt Set for GM LS-Series | 66755
item 10 Proform Header Bolt Set for GM LS-Series | 66755
C $69.13
+C $22.16 shipping
Wedge Locking Header Bolts LS 8mm x 1.18in PROFORM 66755
item 11 Wedge Locking Header Bolts LS 8mm x 1.18in PROFORM 66755
C $53.11
+C $38.40 shipping
Proform 66755 Locking Header Bolts - Set of 12 - 1.181" L - GM LS Engines 8mm
Last one
item 12 Proform 66755 Locking Header Bolts - Set of 12 - 1.181" L - GM LS Engines 8mm
C $69.69
+C $22.65 shipping
Proform Wedge Locking Header Bolts LS 8mm x 1.18in 66755
item 13 Proform Wedge Locking Header Bolts LS 8mm x 1.18in 66755
C $71.50
+C $22.23 shipping
item 14 Proform 66755 M8 Diameter 1.181" Long Wedge-Locking Header Bolts
C $73.03
+C $22.28 shipping
Proform Wedge-Locking Header Bolts 66755
item 15 Proform Wedge-Locking Header Bolts 66755
C $74.91
+C $22.81 shipping
Proform for Wedge-Locking Header Bolts Hex Head M8 X 1.181in Chevy LS Nickel Plt
item 16 Proform for Wedge-Locking Header Bolts Hex Head M8 X 1.181in Chevy LS Nickel Plt
C $66.48
+C $31.56 shipping
Wedge Locking Header Bolts Fits LS 8mm X 1.18in
item 17 Wedge Locking Header Bolts Fits LS 8mm X 1.18in
C $67.18
+C $30.88 shipping
Proform 66755 Wedge-Locking Header Bolts
item 18 Proform 66755 Wedge-Locking Header Bolts
C $48.72
+C $53.32 shipping
PROFORM Wedge Locking Header Bolts LS 8mm x 1.18in- 66755
item 19 PROFORM Wedge Locking Header Bolts LS 8mm x 1.18in- 66755
C $81.74
+C $22.54 shipping
Proform Wedge-Locking Header Bolts Fits GM LS Engines with 3/8-inch Wide Flange
item 20 Proform Wedge-Locking Header Bolts Fits GM LS Engines with 3/8-inch Wide Flange
C $83.35
+C $23.06 shipping
listings for this product

Ratings and Reviews

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5.0
2 product ratings
  • 2 users rated this 5 out of 5 stars
  • 0 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

  • by simenad
    Jul 15, 2019

    Nice product even though they were pictured in black but sent polished.

    Verified purchase: YesCondition: New

  • by acun4233
    Aug 30, 2025

    Excellent product!

    Excellent product!

    Verified purchase: YesCondition: New

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